#641427#641427

#641427 is a dark, moderate red. Relative luminance 0.034; OKLCH L 33.7% C 0.112 H 12.3°. Best body text is #FFFFFF at 12.57:1 contrast (WCAG AA passes).

Color values

HEX	#641427
RGB	rgb(100, 20, 39)
HSL	hsl(346, 67%, 24%)
HSV	hsv(346, 80%, 39%)
CMYK	cmyk(0%, 80%, 61%, 60.8%)
CIE-LAB	lab(21.42, 36.37, 9.57)
CIE-LCH	lch(21.42, 37.61, 14.74°)
OKLab	oklab(33.69% 0.1098 0.0239)
OKLCH	oklch(33.69% 0.112 12.3)
XYZ	xyz(5.8725, 3.3570, 2.2578)
Luminance	0.0336 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#641427 #146451

analogous

#64144F #641427 #642914

triadic

#641427 #276414 #142764

tetradic

#641427 #4F6414 #146451 #291464

square

#641427 #4F6414 #146451 #291464

split-complementary

#641427 #146429 #144F64

monochromatic

#1A050A #310A13 #641427 #971E3B #CA284F

Accessibility & contrast

On white

12.57

#641427 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#641427 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #641427

12.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##641427	#FFFFFF	#000000	##FFFFFF
##641427	1.00	12.57	1.67	12.57
#FFFFFF	12.57	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#292927

Deuteranopia (green-blind)

#3E3925

Tritanopia (blue-blind)

#6E001C

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #641427;
/* rgb */ color: rgb(100, 20, 39);
/* oklch */ color: oklch(33.7% 0.112 12.3);

Tailwind

colors: {
  custom: {
    50: '#955a60',
    500: '#641427',
    950: '#000000',
  },
}

SCSS

$custom: #641427;
$custom-light: #955a60;
$custom-dark: #000000;

JSON

{
  "hex": "#641427",
  "rgb": {
    "r": 100,
    "g": 20,
    "b": 39
  },
  "hsl": {
    "h": 345.75,
    "s": 66.667,
    "l": 23.529
  },
  "oklch": {
    "l": 0.33691,
    "c": 0.1124,
    "h": 12.3
  },
  "luminance": 0.03356
}

Semantic roles & 50–950 ramp

primary

#641427

secondary

#389B84

accent

#EAC13E

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0405

muted

#7E7979

Preview Lab

Preview with #641427

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

Preview Lab → · Contrast checker → · Palette generator →