#A0283B#A0283B

#A0283B is a mid, vivid red. Relative luminance 0.093; OKLCH L 47.3% C 0.155 H 16.9°. Best body text is #FFFFFF at 7.34:1 contrast (WCAG AA passes).

Color values

HEX	#A0283B
RGB	rgb(160, 40, 59)
HSL	hsl(351, 60%, 39%)
HSV	hsv(351, 75%, 63%)
CMYK	cmyk(0%, 75%, 63.1%, 37.3%)
CIE-LAB	lab(36.57, 49.74, 18.60)
CIE-LCH	lch(36.57, 53.10, 20.51°)
OKLab	oklab(47.26% 0.1485 0.045)
OKLCH	oklch(47.26% 0.155 16.9)
XYZ	xyz(16.0471, 9.3093, 5.0887)
Luminance	0.0931 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A0283B #28A08D

analogous

#A02877 #A0283B #A05128

triadic

#A0283B #3BA028 #283BA0

tetradic

#A0283B #77A028 #28A08D #5128A0

square

#A0283B #77A028 #28A08D #5128A0

split-complementary

#A0283B #28A051 #2877A0

monochromatic

#3E1017 #6F1C29 #A0283B #CD3850 #D9697B

Accessibility & contrast

On white

7.34

#A0283B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.86

#A0283B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A0283B

7.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A0283B	#FFFFFF	#000000	##FFFFFF
##A0283B	1.00	7.34	2.86	7.34
#FFFFFF	7.34	1.00	21.00	1.00
#000000	2.86	21.00	1.00	21.00
##FFFFFF	7.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49463B

Deuteranopia (green-blind)

#685F38

Tritanopia (blue-blind)

#B00030

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #a0283b;
/* rgb */ color: rgb(160, 40, 59);
/* oklch */ color: oklch(47.3% 0.155 16.9);

Tailwind

colors: {
  custom: {
    50: '#c36c70',
    500: '#a0283b',
    950: '#000000',
  },
}

SCSS

$custom: #a0283b;
$custom-light: #c36c70;
$custom-dark: #000000;

JSON

{
  "hex": "#a0283b",
  "rgb": {
    "r": 160,
    "g": 40,
    "b": 59
  },
  "hsl": {
    "h": 350.5,
    "s": 60,
    "l": 39.216
  },
  "oklch": {
    "l": 0.47264,
    "c": 0.1552,
    "h": 16.9
  },
  "luminance": 0.09307
}

Semantic roles & 50–950 ramp

primary

#A0283B

secondary

#64C0B1

accent

#E3CA45

background

#FCF6F6

surface

#F9ECEC

border

#D2C7C7

text

#140707

muted

#827A7A

Preview Lab

Preview with #A0283B

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

Preview Lab → · Contrast checker → · Palette generator →