#671E1F#671E1F

#671E1F is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.2% C 0.105 H 23.5°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#671E1F
RGB	rgb(103, 30, 31)
HSL	hsl(359, 55%, 26%)
HSV	hsv(359, 71%, 40%)
CMYK	cmyk(0%, 70.9%, 69.9%, 59.6%)
CIE-LAB	lab(23.38, 32.68, 17.72)
CIE-LCH	lch(23.38, 37.17, 28.47°)
OKLab	oklab(35.21% 0.096 0.0418)
OKLCH	oklch(35.21% 0.105 23.5)
XYZ	xyz(6.3058, 3.9119, 1.7191)
Luminance	0.0391 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671E1F #1E6766

analogous

#671E43 #671E1F #67411E

triadic

#671E1F #1F671E #1E1F67

tetradic

#671E1F #43671E #1E6766 #411E67

square

#671E1F #43671E #1E6766 #411E67

split-complementary

#671E1F #1E6741 #1E4367

monochromatic

#180707 #381011 #671E1F #962C2D #C63A3C

Accessibility & contrast

On white

11.78

#671E1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#671E1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671E1F

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671E1F	#FFFFFF	#000000	##FFFFFF
##671E1F	1.00	11.78	1.78	11.78
#FFFFFF	11.78	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#322E1E

Deuteranopia (green-blind)

#443D1D

Tritanopia (blue-blind)

#720B1F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #671e1f;
/* rgb */ color: rgb(103, 30, 31);
/* oklch */ color: oklch(35.2% 0.105 23.5);

Tailwind

colors: {
  custom: {
    50: '#985f5a',
    500: '#671e1f',
    950: '#000000',
  },
}

SCSS

$custom: #671e1f;
$custom-light: #985f5a;
$custom-dark: #000000;

JSON

{
  "hex": "#671e1f",
  "rgb": {
    "r": 103,
    "g": 30,
    "b": 31
  },
  "hsl": {
    "h": 359.178,
    "s": 54.887,
    "l": 26.078
  },
  "oklch": {
    "l": 0.35207,
    "c": 0.10467,
    "h": 23.5
  },
  "luminance": 0.03911
}

Semantic roles & 50–950 ramp

primary

#671E1F

secondary

#459C9A

accent

#DEDC4A

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0F0503

muted

#7E7978

Preview Lab

Preview with #671E1F

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

Preview Lab → · Contrast checker → · Palette generator →