#A03121#A03121

#A03121 is a mid, vivid red. Relative luminance 0.098; OKLCH L 47.8% C 0.149 H 31.2°. Best body text is #FFFFFF at 7.10:1 contrast (WCAG AA passes).

Color values

HEX	#A03121
RGB	rgb(160, 49, 33)
HSL	hsl(8, 66%, 38%)
HSV	hsv(8, 79%, 63%)
CMYK	cmyk(0%, 69.4%, 79.4%, 37.3%)
CIE-LAB	lab(37.45, 44.95, 35.38)
CIE-LCH	lch(37.45, 57.20, 38.20°)
OKLab	oklab(47.8% 0.1279 0.0774)
OKLCH	oklch(47.8% 0.149 31.2)
XYZ	xyz(15.8718, 9.7824, 2.4910)
Luminance	0.0978 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03121 #2190A0

analogous

#A02150 #A03121 #A07021

triadic

#A03121 #21A031 #3121A0

tetradic

#A03121 #50A021 #2190A0 #7021A0

square

#A03121 #50A021 #2190A0 #7021A0

split-complementary

#A03121 #21A070 #2150A0

monochromatic

#3B120C #6D2117 #A03121 #D3412B #DE6E5E

Accessibility & contrast

On white

7.10

#A03121 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#A03121 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A03121

7.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03121	#FFFFFF	#000000	##FFFFFF
##A03121	1.00	7.10	2.96	7.10
#FFFFFF	7.10	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51491E

Deuteranopia (green-blind)

#6D611C

Tritanopia (blue-blind)

#B00B2E

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a03121;
/* rgb */ color: rgb(160, 49, 33);
/* oklch */ color: oklch(47.8% 0.149 31.2);

Tailwind

colors: {
  custom: {
    50: '#c4705d',
    500: '#a03121',
    950: '#000000',
  },
}

SCSS

$custom: #a03121;
$custom-light: #c4705d;
$custom-dark: #000000;

JSON

{
  "hex": "#a03121",
  "rgb": {
    "r": 160,
    "g": 49,
    "b": 33
  },
  "hsl": {
    "h": 7.559,
    "s": 65.803,
    "l": 37.843
  },
  "oklch": {
    "l": 0.47795,
    "c": 0.14943,
    "h": 31.2
  },
  "luminance": 0.0978
}

Semantic roles & 50–950 ramp

primary

#A03121

secondary

#5BB5C2

accent

#D3E93F

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#140804

muted

#837B79

Preview Lab

Preview with #A03121

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

Preview Lab → · Contrast checker → · Palette generator →