#FF2D31#FF2D31

#FF2D31 is a light, highly saturated red. Relative luminance 0.234; OKLCH L 64.5% C 0.241 H 26.6°. Best body text is #000000 at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#FF2D31
RGB	rgb(255, 45, 49)
HSL	hsl(359, 100%, 59%)
HSV	hsv(359, 82%, 100%)
CMYK	cmyk(0%, 82.4%, 80.8%, 0%)
CIE-LAB	lab(55.45, 75.10, 50.79)
CIE-LCH	lch(55.45, 90.66, 34.07°)
OKLab	oklab(64.5% 0.2151 0.1079)
OKLCH	oklch(64.5% 0.241 26.6)
XYZ	xyz(42.7381, 23.3656, 5.1649)
Luminance	0.2336 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#FF2D31 #2DFFFB

analogous

#FF2D9A #FF2D31 #FF922D

triadic

#FF2D31 #31FF2D #2D31FF

tetradic

#FF2D31 #9AFF2D #2DFFFB #922DFF

square

#FF2D31 #9AFF2D #2DFFFB #922DFF

split-complementary

#FF2D31 #2DFF92 #2D9AFF

monochromatic

#B20003 #EF0005 #FF2D31 #FF6A6D #FFA7A9

Accessibility & contrast

On white

3.70

#FF2D31 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.67

#FF2D31 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #FF2D31

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##FF2D31	#FFFFFF	#000000	##000000
##FF2D31	1.00	3.70	5.67	5.67
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.67	21.00	1.00	1.00
##000000	5.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#74682E

Deuteranopia (green-blind)

#A69526

Tritanopia (blue-blind)

#FF0032

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #ff2d31;
/* rgb */ color: rgb(255, 45, 49);
/* oklch */ color: oklch(64.5% 0.241 26.6);

Tailwind

colors: {
  custom: {
    50: '#ff7c6b',
    500: '#ff2d31',
    950: '#000000',
  },
}

SCSS

$custom: #ff2d31;
$custom-light: #ff7c6b;
$custom-dark: #000000;

JSON

{
  "hex": "#ff2d31",
  "rgb": {
    "r": 255,
    "g": 45,
    "b": 49
  },
  "hsl": {
    "h": 358.857,
    "s": 100,
    "l": 58.824
  },
  "oklch": {
    "l": 0.645,
    "c": 0.24065,
    "h": 26.6
  },
  "luminance": 0.23359
}

Semantic roles & 50–950 ramp

primary

#FF2D31

secondary

#9BEDEC

accent

#FFFB29

background

#FFF8F6

surface

#FFEFEB

border

#D7CAC6

text

#1B0B07

muted

#887C7A

Preview Lab

Preview with #FF2D31

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →