#671B0F#671B0F

#671B0F is a dark, moderate red. Relative luminance 0.037; OKLCH L 34.6% C 0.111 H 31.7°. Best body text is #FFFFFF at 12.07:1 contrast (WCAG AA passes).

Color values

HEX	#671B0F
RGB	rgb(103, 27, 15)
HSL	hsl(8, 75%, 23%)
HSV	hsv(8, 85%, 40%)
CMYK	cmyk(0%, 73.8%, 85.4%, 59.6%)
CIE-LAB	lab(22.66, 33.23, 26.96)
CIE-LCH	lch(22.66, 42.79, 39.06°)
OKLab	oklab(34.6% 0.0941 0.0582)
OKLCH	oklch(34.6% 0.111 31.7)
XYZ	xyz(6.0724, 3.7028, 0.8468)
Luminance	0.0370 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671B0F #0F5B67

analogous

#670F2F #671B0F #67470F

triadic

#671B0F #0F671B #1B0F67

tetradic

#671B0F #2F670F #0F5B67 #470F67

square

#671B0F #2F670F #0F5B67 #470F67

split-complementary

#671B0F #0F6747 #0F2F67

monochromatic

#1B0704 #320D07 #671B0F #9C2917 #D2371F

Accessibility & contrast

On white

12.07

#671B0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#671B0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671B0F

12.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671B0F	#FFFFFF	#000000	##FFFFFF
##671B0F	1.00	12.07	1.74	12.07
#FFFFFF	12.07	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#312B0D

Deuteranopia (green-blind)

#443C0B

Tritanopia (blue-blind)

#720119

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #671b0f;
/* rgb */ color: rgb(103, 27, 15);
/* oklch */ color: oklch(34.6% 0.111 31.7);

Tailwind

colors: {
  custom: {
    50: '#9a5d4e',
    500: '#671b0f',
    950: '#000000',
  },
}

SCSS

$custom: #671b0f;
$custom-light: #9a5d4e;
$custom-dark: #000000;

JSON

{
  "hex": "#671b0f",
  "rgb": {
    "r": 103,
    "g": 27,
    "b": 15
  },
  "hsl": {
    "h": 8.182,
    "s": 74.576,
    "l": 23.137
  },
  "oklch": {
    "l": 0.34601,
    "c": 0.11064,
    "h": 31.7
  },
  "luminance": 0.03702
}

Semantic roles & 50–950 ramp

primary

#671B0F

secondary

#3291A0

accent

#D8F137

background

#FAF5F4

surface

#F4E9E7

border

#CEC5C3

text

#0F0401

muted

#7F7977

Preview Lab

Preview with #671B0F

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

Preview Lab → · Contrast checker → · Palette generator →