#5A1510#5A1510

#5A1510 is a dark, moderate red. Relative luminance 0.027; OKLCH L 31.4% C 0.101 H 28.5°. Best body text is #FFFFFF at 13.55:1 contrast (WCAG AA passes).

Color values

HEX	#5A1510
RGB	rgb(90, 21, 16)
HSL	hsl(4, 70%, 21%)
HSV	hsv(4, 82%, 35%)
CMYK	cmyk(0%, 76.7%, 82.2%, 64.7%)
CIE-LAB	lab(19.01, 31.04, 21.62)
CIE-LCH	lch(19.01, 37.83, 34.85°)
OKLab	oklab(31.37% 0.0891 0.0483)
OKLCH	oklch(31.37% 0.101 28.5)
XYZ	xyz(4.5787, 2.7481, 0.7795)
Luminance	0.0275 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A1510 #10555A

analogous

#5A1030 #5A1510 #5A3A10

triadic

#5A1510 #105A15 #15105A

tetradic

#5A1510 #305A10 #10555A #3A105A

square

#5A1510 #305A10 #10555A #3A105A

split-complementary

#5A1510 #105A3A #10305A

monochromatic

#1A0605 #260907 #5A1510 #8E2119 #C22D22

Accessibility & contrast

On white

13.55

#5A1510 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#5A1510 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5A1510

13.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A1510	#FFFFFF	#000000	##FFFFFF
##5A1510	1.00	13.55	1.55	13.55
#FFFFFF	13.55	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29250F

Deuteranopia (green-blind)

#3A340D

Tritanopia (blue-blind)

#640014

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #5a1510;
/* rgb */ color: rgb(90, 21, 16);
/* oklch */ color: oklch(31.4% 0.101 28.5);

Tailwind

colors: {
  custom: {
    50: '#8f584e',
    500: '#5a1510',
    950: '#000000',
  },
}

SCSS

$custom: #5a1510;
$custom-light: #8f584e;
$custom-dark: #000000;

JSON

{
  "hex": "#5a1510",
  "rgb": {
    "r": 90,
    "g": 21,
    "b": 16
  },
  "hsl": {
    "h": 4.054,
    "s": 69.811,
    "l": 20.784
  },
  "oklch": {
    "l": 0.31369,
    "c": 0.10135,
    "h": 28.5
  },
  "luminance": 0.02747
}

Semantic roles & 50–950 ramp

primary

#5A1510

secondary

#338D93

accent

#E1ED3B

background

#F9F5F4

surface

#F2E9E7

border

#CCC5C3

text

#0E0301

muted

#7E7877

Preview Lab

Preview with #5A1510

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

Preview Lab → · Contrast checker → · Palette generator →