#641A23#641A23

#641A23 is a dark, moderate red. Relative luminance 0.036; OKLCH L 34.2% C 0.105 H 17.9°. Best body text is #FFFFFF at 12.25:1 contrast (WCAG AA passes).

Color values

HEX	#641A23
RGB	rgb(100, 26, 35)
HSL	hsl(353, 59%, 25%)
HSV	hsv(353, 74%, 39%)
CMYK	cmyk(0%, 74%, 65%, 60.8%)
CIE-LAB	lab(22.20, 33.66, 13.38)
CIE-LCH	lch(22.20, 36.22, 21.68°)
OKLab	oklab(34.24% 0.1004 0.0325)
OKLCH	oklch(34.24% 0.105 17.9)
XYZ	xyz(5.9289, 3.5703, 1.9667)
Luminance	0.0357 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641A23 #1A645B

analogous

#641A48 #641A23 #64361A

triadic

#641A23 #23641A #1A2364

tetradic

#641A23 #48641A #1A645B #361A64

square

#641A23 #48641A #1A645B #361A64

split-complementary

#641A23 #1A6436 #1A4864

monochromatic

#180608 #330D12 #641A23 #952734 #C53345

Accessibility & contrast

On white

12.25

#641A23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#641A23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641A23

12.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641A23	#FFFFFF	#000000	##FFFFFF
##641A23	1.00	12.25	1.71	12.25
#FFFFFF	12.25	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2B23

Deuteranopia (green-blind)

#403B21

Tritanopia (blue-blind)

#6E071E

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #641a23;
/* rgb */ color: rgb(100, 26, 35);
/* oklch */ color: oklch(34.2% 0.105 17.9);

Tailwind

colors: {
  custom: {
    50: '#955c5d',
    500: '#641a23',
    950: '#000000',
  },
}

SCSS

$custom: #641a23;
$custom-light: #955c5d;
$custom-dark: #000000;

JSON

{
  "hex": "#641a23",
  "rgb": {
    "r": 100,
    "g": 26,
    "b": 35
  },
  "hsl": {
    "h": 352.703,
    "s": 58.73,
    "l": 24.706
  },
  "oklch": {
    "l": 0.34237,
    "c": 0.10549,
    "h": 17.9
  },
  "luminance": 0.03569
}

Semantic roles & 50–950 ramp

primary

#641A23

secondary

#409A8F

accent

#E2CF46

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0404

muted

#7E7979

Preview Lab

Preview with #641A23

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

Preview Lab → · Contrast checker → · Palette generator →