#671B27#671B27

#671B27 is a dark, moderate red. Relative luminance 0.038; OKLCH L 35.0% C 0.108 H 15.7°. Best body text is #FFFFFF at 11.91:1 contrast (WCAG AA passes).

Color values

HEX	#671B27
RGB	rgb(103, 27, 39)
HSL	hsl(351, 58%, 25%)
HSV	hsv(351, 74%, 40%)
CMYK	cmyk(0%, 73.8%, 62.1%, 59.6%)
CIE-LAB	lab(23.05, 34.59, 11.87)
CIE-LCH	lch(23.05, 36.57, 18.94°)
OKLab	oklab(35.01% 0.1037 0.0292)
OKLCH	oklch(35.01% 0.108 15.7)
XYZ	xyz(6.3523, 3.8148, 2.3209)
Luminance	0.0381 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671B27 #1B675B

analogous

#671B4D #671B27 #67351B

triadic

#671B27 #27671B #1B2767

tetradic

#671B27 #4D671B #1B675B #351B67

square

#671B27 #4D671B #1B675B #351B67

split-complementary

#671B27 #1B6735 #1B4D67

monochromatic

#180609 #370E15 #671B27 #972839 #C8344C

Accessibility & contrast

On white

11.91

#671B27 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#671B27 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671B27

11.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671B27	#FFFFFF	#000000	##FFFFFF
##671B27	1.00	11.91	1.76	11.91
#FFFFFF	11.91	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2D27

Deuteranopia (green-blind)

#423D25

Tritanopia (blue-blind)

#710820

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #671b27;
/* rgb */ color: rgb(103, 27, 39);
/* oklch */ color: oklch(35.0% 0.108 15.7);

Tailwind

colors: {
  custom: {
    50: '#985d60',
    500: '#671b27',
    950: '#000000',
  },
}

SCSS

$custom: #671b27;
$custom-light: #985d60;
$custom-dark: #000000;

JSON

{
  "hex": "#671b27",
  "rgb": {
    "r": 103,
    "g": 27,
    "b": 39
  },
  "hsl": {
    "h": 350.526,
    "s": 58.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35013,
    "c": 0.10777,
    "h": 15.7
  },
  "luminance": 0.03814
}

Semantic roles & 50–950 ramp

primary

#671B27

secondary

#429C8E

accent

#E2C946

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0405

muted

#7E7979

Preview Lab

Preview with #671B27

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

Preview Lab → · Contrast checker → · Palette generator →