#AA2921#AA2921

#AA2921 is a mid, vivid red. Relative luminance 0.102; OKLCH L 48.8% C 0.167 H 28.5°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#AA2921
RGB	rgb(170, 41, 33)
HSL	hsl(4, 67%, 40%)
HSV	hsv(4, 81%, 67%)
CMYK	cmyk(0%, 75.9%, 80.6%, 33.3%)
CIE-LAB	lab(38.28, 51.29, 36.84)
CIE-LCH	lch(38.28, 63.15, 35.69°)
OKLab	oklab(48.77% 0.1465 0.0797)
OKLCH	oklch(48.77% 0.167 28.5)
XYZ	xyz(17.6471, 10.2445, 2.4867)
Luminance	0.1024 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#AA2921 #21A2AA

analogous

#AA215D #AA2921 #AA6E21

triadic

#AA2921 #21AA29 #2921AA

tetradic

#AA2921 #5DAA21 #21A2AA #6E21AA

square

#AA2921 #5DAA21 #21A2AA #6E21AA

split-complementary

#AA2921 #21AA6E #215DAA

monochromatic

#43100D #771D17 #AA2921 #D73B31 #E16C64

Accessibility & contrast

On white

6.89

#AA2921 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#AA2921 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #AA2921

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##AA2921	#FFFFFF	#000000	##FFFFFF
##AA2921	1.00	6.89	3.05	6.89
#FFFFFF	6.89	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51481F

Deuteranopia (green-blind)

#70641B

Tritanopia (blue-blind)

#BC0029

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #aa2921;
/* rgb */ color: rgb(170, 41, 33);
/* oklch */ color: oklch(48.8% 0.167 28.5);

Tailwind

colors: {
  custom: {
    50: '#cc6d5d',
    500: '#aa2921',
    950: '#000000',
  },
}

SCSS

$custom: #aa2921;
$custom-light: #cc6d5d;
$custom-dark: #000000;

JSON

{
  "hex": "#aa2921",
  "rgb": {
    "r": 170,
    "g": 41,
    "b": 33
  },
  "hsl": {
    "h": 3.504,
    "s": 67.488,
    "l": 39.804
  },
  "oklch": {
    "l": 0.48765,
    "c": 0.16679,
    "h": 28.5
  },
  "luminance": 0.10242
}

Semantic roles & 50–950 ramp

primary

#AA2921

secondary

#61C0C6

accent

#E0EA3D

background

#FDF6F5

surface

#FBECE9

border

#D4C7C5

text

#150804

muted

#837B79

Preview Lab

Preview with #AA2921

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

Preview Lab → · Contrast checker → · Palette generator →