#A03828#A03828

#A03828 is a mid, vivid red. Relative luminance 0.105; OKLCH L 48.7% C 0.141 H 31.3°. Best body text is #FFFFFF at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#A03828
RGB	rgb(160, 56, 40)
HSL	hsl(8, 60%, 39%)
HSV	hsv(8, 75%, 63%)
CMYK	cmyk(0%, 65%, 75%, 37.3%)
CIE-LAB	lab(38.65, 42.20, 32.72)
CIE-LCH	lch(38.65, 53.40, 37.78°)
OKLab	oklab(48.72% 0.1207 0.0735)
OKLCH	oklch(48.72% 0.141 31.3)
XYZ	xyz(16.2961, 10.4575, 3.1675)
Luminance	0.1046 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03828 #2890A0

analogous

#A02854 #A03828 #A07428

triadic

#A03828 #28A038 #3828A0

tetradic

#A03828 #54A028 #2890A0 #7428A0

square

#A03828 #54A028 #2890A0 #7428A0

split-complementary

#A03828 #28A074 #2854A0

monochromatic

#3E1610 #6F271C #A03828 #CD4C38 #D97869

Accessibility & contrast

On white

6.79

#A03828 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.09

#A03828 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A03828

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03828	#FFFFFF	#000000	##FFFFFF
##A03828	1.00	6.79	3.09	6.79
#FFFFFF	6.79	1.00	21.00	1.00
#000000	3.09	21.00	1.00	21.00
##FFFFFF	6.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#554D26

Deuteranopia (green-blind)

#6F6325

Tritanopia (blue-blind)

#B01D35

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a03828;
/* rgb */ color: rgb(160, 56, 40);
/* oklch */ color: oklch(48.7% 0.141 31.3);

Tailwind

colors: {
  custom: {
    50: '#c37463',
    500: '#a03828',
    950: '#000000',
  },
}

SCSS

$custom: #a03828;
$custom-light: #c37463;
$custom-dark: #000000;

JSON

{
  "hex": "#a03828",
  "rgb": {
    "r": 160,
    "g": 56,
    "b": 40
  },
  "hsl": {
    "h": 8,
    "s": 60,
    "l": 39.216
  },
  "oklch": {
    "l": 0.48723,
    "c": 0.1413,
    "h": 31.3
  },
  "luminance": 0.10455
}

Semantic roles & 50–950 ramp

primary

#A03828

secondary

#64B4C0

accent

#CEE345

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#140805

muted

#837B79

Preview Lab

Preview with #A03828

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

Preview Lab → · Contrast checker → · Palette generator →