#671E1B#671E1B

#671E1B is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.1% C 0.105 H 26.4°. Best body text is #FFFFFF at 11.81:1 contrast (WCAG AA passes).

Color values

HEX	#671E1B
RGB	rgb(103, 30, 27)
HSL	hsl(2, 58%, 25%)
HSV	hsv(2, 74%, 40%)
CMYK	cmyk(0%, 70.9%, 73.8%, 59.6%)
CIE-LAB	lab(23.31, 32.44, 20.28)
CIE-LCH	lch(23.31, 38.25, 32.02°)
OKLab	oklab(35.14% 0.0943 0.0468)
OKLCH	oklch(35.14% 0.105 26.4)
XYZ	xyz(6.2563, 3.8921, 1.4585)
Luminance	0.0389 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671E1B #1B6467

analogous

#671B3E #671E1B #67441B

triadic

#671E1B #1B671E #1E1B67

tetradic

#671E1B #3E671B #1B6467 #441B67

square

#671E1B #3E671B #1B6467 #441B67

split-complementary

#671E1B #1B6744 #1B3E67

monochromatic

#180706 #37100E #671E1B #972C28 #C83A34

Accessibility & contrast

On white

11.81

#671E1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#671E1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671E1B

11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671E1B	#FFFFFF	#000000	##FFFFFF
##671E1B	1.00	11.81	1.78	11.81
#FFFFFF	11.81	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322E1A

Deuteranopia (green-blind)

#443D19

Tritanopia (blue-blind)

#720A1E

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #671e1b;
/* rgb */ color: rgb(103, 30, 27);
/* oklch */ color: oklch(35.1% 0.105 26.4);

Tailwind

colors: {
  custom: {
    50: '#985f57',
    500: '#671e1b',
    950: '#000000',
  },
}

SCSS

$custom: #671e1b;
$custom-light: #985f57;
$custom-dark: #000000;

JSON

{
  "hex": "#671e1b",
  "rgb": {
    "r": 103,
    "g": 30,
    "b": 27
  },
  "hsl": {
    "h": 2.368,
    "s": 58.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35135,
    "c": 0.10527,
    "h": 26.4
  },
  "luminance": 0.03891
}

Semantic roles & 50–950 ramp

primary

#671E1B

secondary

#42999C

accent

#DCE246

background

#FAF5F5

surface

#F3E9E9

border

#CDC5C5

text

#0F0503

muted

#7F7978

Preview Lab

Preview with #671E1B

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

Preview Lab → · Contrast checker → · Palette generator →