FF0000

COLOR
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FF0000

Vivid Colors
sRGB Model ? COPY
R 255
G 0
B 0
HSL Model ? COPY
H 0°
S 100%
L 50%
CMYK Print ? COPY
C 0
M 100
Y 100
K 0
CIE-Lab ? COPY
L 53.23
a 80.11
b 67.22
CIE-XYZ ? COPY
X 41.24
Y 21.26
Z 1.93
OKLCH (Next-Gen) ? COPY
L 62.8%
C 0.258
H 29.2
HSB Model ? COPY
H 0°
S 100%
B 100%
HWB Model ? COPY
H 0°
W 0%
B 0%
CIE-LUV ? COPY
L 53.23
u 175.05
v 37.75

WCAG Accessibility Score

Sample Text
4
AA: FAIL / AAA: FAIL
Sample Text
5.25
AA: PASS / AAA: FAIL

Vision Simulation

Protanopia #908e00
Deuteranopia #9fb200
Tritanopia #f20000
Achromatopsia #4c4c4c

TINTS

TONES

Physical Match

Closest Standard Match

RAL 3026

SET: 德国RAL-Classic
DELTA E: 5.45

HARMONIES

Complementary
Analogous
Split Complementary
Triadic
Tetradic
Monochromatic

Smart Gradients

COPY CSS
Basic Light
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Deep Gravity
COPY CSS
Aurora Flow
COPY CSS
Cyber Clash
COPY CSS
Soft Mist

Description

あざやかな赤系の色

Developer Handoff

CSS Variables 
:root {
  --ff0000: #FF0000;
}
Tailwind Config 
colors: {
  'ff0000': '#FF0000',
}
SCSS / Sass 
$ff0000: #FF0000;
Design Token 
{
    "name": "FF0000",
    "value": "#FF0000"
}

UI Application / Simulation

Real-time UI Preview

View the actual rendering effect of this color in dashboards, mobile apps, chat interfaces, calendars, etc.
Click to open full-screen immersive preview.

Open UI Kit

Similar Colors

Red
#FF0000
FF0000
#FF0000
Red
#FF0000
#FF0000
#FF0000
Red
#FF0000