#AA2831#AA2831

#AA2831 is a mid, vivid red. Relative luminance 0.103; OKLCH L 48.9% C 0.166 H 22.5°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#AA2831
RGB	rgb(170, 40, 49)
HSL	hsl(356, 62%, 41%)
HSV	hsv(356, 76%, 67%)
CMYK	cmyk(0%, 76.5%, 71.2%, 33.3%)
CIE-LAB	lab(38.35, 52.27, 27.51)
CIE-LCH	lch(38.35, 59.07, 27.76°)
OKLab	oklab(48.89% 0.1531 0.0634)
OKLCH	oklch(48.89% 0.166 22.5)
XYZ	xyz(17.8928, 10.2881, 3.9488)
Luminance	0.1028 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA2831 #28AAA1

analogous

#AA2872 #AA2831 #AA6028

triadic

#AA2831 #31AA28 #2831AA

tetradic

#AA2831 #72AA28 #28AAA1 #6028AA

square

#AA2831 #72AA28 #28AAA1 #6028AA

split-complementary

#AA2831 #28AA60 #2872AA

monochromatic

#471114 #781C23 #AA2831 #D23E48 #DD6F77

Accessibility & contrast

On white

6.87

#AA2831 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#AA2831 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA2831

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA2831	#FFFFFF	#000000	##FFFFFF
##AA2831	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F4930

Deuteranopia (green-blind)

#6F642D

Tritanopia (blue-blind)

#BB002D

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #aa2831;
/* rgb */ color: rgb(170, 40, 49);
/* oklch */ color: oklch(48.9% 0.166 22.5);

Tailwind

colors: {
  custom: {
    50: '#cb6d69',
    500: '#aa2831',
    950: '#000000',
  },
}

SCSS

$custom: #aa2831;
$custom-light: #cb6d69;
$custom-dark: #000000;

JSON

{
  "hex": "#aa2831",
  "rgb": {
    "r": 170,
    "g": 40,
    "b": 49
  },
  "hsl": {
    "h": 355.846,
    "s": 61.905,
    "l": 41.176
  },
  "oklch": {
    "l": 0.48885,
    "c": 0.16574,
    "h": 22.5
  },
  "luminance": 0.10285
}

Semantic roles & 50–950 ramp

primary

#AA2831

secondary

#6AC4BE

accent

#E5DA43

background

#FDF6F6

surface

#FBECEB

border

#D4C7C6

text

#150806

muted

#837B7A

Preview Lab

Preview with #AA2831

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

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