#65181B#65181B

#65181B is a dark, moderate red. Relative luminance 0.035; OKLCH L 34.0% C 0.109 H 23.2°. Best body text is #FFFFFF at 12.35:1 contrast (WCAG AA passes).

Color values

HEX	#65181B
RGB	rgb(101, 24, 27)
HSL	hsl(358, 62%, 25%)
HSV	hsv(358, 76%, 40%)
CMYK	cmyk(0%, 76.2%, 73.3%, 60.4%)
CIE-LAB	lab(21.94, 34.33, 18.54)
CIE-LCH	lch(21.94, 39.02, 28.38°)
OKLab	oklab(34.04% 0.1006 0.0431)
OKLCH	oklch(34.04% 0.109 23.2)
XYZ	xyz(5.8919, 3.5000, 1.4020)
Luminance	0.0350 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#65181B #186562

analogous

#651842 #65181B #653C18

triadic

#65181B #1B6518 #181B65

tetradic

#65181B #426518 #186562 #3C1865

square

#65181B #426518 #186562 #3C1865

split-complementary

#65181B #18653C #184265

monochromatic

#190607 #340C0E #65181B #962428 #C83035

Accessibility & contrast

On white

12.35

#65181B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#65181B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #65181B

12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##65181B	#FFFFFF	#000000	##FFFFFF
##65181B	1.00	12.35	1.70	12.35
#FFFFFF	12.35	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2A1A

Deuteranopia (green-blind)

#413B19

Tritanopia (blue-blind)

#70001A

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #65181b;
/* rgb */ color: rgb(101, 24, 27);
/* oklch */ color: oklch(34.0% 0.109 23.2);

Tailwind

colors: {
  custom: {
    50: '#975b57',
    500: '#65181b',
    950: '#000000',
  },
}

SCSS

$custom: #65181b;
$custom-light: #975b57;
$custom-dark: #000000;

JSON

{
  "hex": "#65181b",
  "rgb": {
    "r": 101,
    "g": 24,
    "b": 27
  },
  "hsl": {
    "h": 357.662,
    "s": 61.6,
    "l": 24.51
  },
  "oklch": {
    "l": 0.34038,
    "c": 0.1094,
    "h": 23.2
  },
  "luminance": 0.03499
}

Semantic roles & 50–950 ramp

primary

#65181B

secondary

#3E9B98

accent

#E5DE43

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0403

muted

#7E7978

Preview Lab

Preview with #65181B

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

Preview Lab → · Contrast checker → · Palette generator →