#A03128#A03128

#A03128 is a mid, vivid red. Relative luminance 0.098; OKLCH L 47.9% C 0.148 H 28.5°. Best body text is #FFFFFF at 7.08:1 contrast (WCAG AA passes).

Color values

HEX	#A03128
RGB	rgb(160, 49, 40)
HSL	hsl(5, 60%, 39%)
HSV	hsv(5, 75%, 63%)
CMYK	cmyk(0%, 69.4%, 75%, 37.3%)
CIE-LAB	lab(37.53, 45.24, 31.47)
CIE-LCH	lch(37.53, 55.11, 34.82°)
OKLab	oklab(47.88% 0.1302 0.0707)
OKLCH	oklch(47.88% 0.148 28.5)
XYZ	xyz(15.9803, 9.8258, 3.0622)
Luminance	0.0982 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A03128 #2897A0

analogous

#A0285B #A03128 #A06D28

triadic

#A03128 #28A031 #3128A0

tetradic

#A03128 #5BA028 #2897A0 #6D28A0

square

#A03128 #5BA028 #2897A0 #6D28A0

split-complementary

#A03128 #28A06D #285BA0

monochromatic

#3E1310 #6F221C #A03128 #CD4338 #D97169

Accessibility & contrast

On white

7.08

#A03128 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#A03128 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #A03128

7.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A03128	#FFFFFF	#000000	##FFFFFF
##A03128	1.00	7.08	2.96	7.08
#FFFFFF	7.08	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#514926

Deuteranopia (green-blind)

#6C6124

Tritanopia (blue-blind)

#B00D30

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #a03128;
/* rgb */ color: rgb(160, 49, 40);
/* oklch */ color: oklch(47.9% 0.148 28.5);

Tailwind

colors: {
  custom: {
    50: '#c47062',
    500: '#a03128',
    950: '#000000',
  },
}

SCSS

$custom: #a03128;
$custom-light: #c47062;
$custom-dark: #000000;

JSON

{
  "hex": "#a03128",
  "rgb": {
    "r": 160,
    "g": 49,
    "b": 40
  },
  "hsl": {
    "h": 4.5,
    "s": 60,
    "l": 39.216
  },
  "oklch": {
    "l": 0.4788,
    "c": 0.14818,
    "h": 28.5
  },
  "luminance": 0.09823
}

Semantic roles & 50–950 ramp

primary

#A03128

secondary

#64B9C0

accent

#D7E345

background

#FDF7F5

surface

#FAEDEA

border

#D3C8C6

text

#140805

muted

#837B79

Preview Lab

Preview with #A03128

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

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