#671C28#671C28

#671C28 is a dark, moderate red. Relative luminance 0.039; OKLCH L 35.2% C 0.107 H 15.4°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#671C28
RGB	rgb(103, 28, 40)
HSL	hsl(350, 57%, 26%)
HSV	hsv(350, 73%, 40%)
CMYK	cmyk(0%, 72.8%, 61.2%, 59.6%)
CIE-LAB	lab(23.23, 34.24, 11.43)
CIE-LCH	lch(23.23, 36.09, 18.46°)
OKLab	oklab(35.16% 0.1028 0.0283)
OKLCH	oklch(35.16% 0.107 15.4)
XYZ	xyz(6.3924, 3.8682, 2.4171)
Luminance	0.0387 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671C28 #1C675B

analogous

#671C4D #671C28 #67351C

triadic

#671C28 #28671C #1C2867

tetradic

#671C28 #4D671C #1C675B #351C67

square

#671C28 #4D671C #1C675B #351C67

split-complementary

#671C28 #1C6735 #1C4D67

monochromatic

#180709 #370F15 #671C28 #97293B #C7364D

Accessibility & contrast

On white

11.84

#671C28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#671C28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671C28

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671C28	#FFFFFF	#000000	##FFFFFF
##671C28	1.00	11.84	1.77	11.84
#FFFFFF	11.84	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2D28

Deuteranopia (green-blind)

#423D26

Tritanopia (blue-blind)

#710B21

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #671c28;
/* rgb */ color: rgb(103, 28, 40);
/* oklch */ color: oklch(35.2% 0.107 15.4);

Tailwind

colors: {
  custom: {
    50: '#975e61',
    500: '#671c28',
    950: '#000000',
  },
}

SCSS

$custom: #671c28;
$custom-light: #975e61;
$custom-dark: #000000;

JSON

{
  "hex": "#671c28",
  "rgb": {
    "r": 103,
    "g": 28,
    "b": 40
  },
  "hsl": {
    "h": 350.4,
    "s": 57.252,
    "l": 25.686
  },
  "oklch": {
    "l": 0.35156,
    "c": 0.10659,
    "h": 15.4
  },
  "luminance": 0.03867
}

Semantic roles & 50–950 ramp

primary

#671C28

secondary

#439C8E

accent

#E1C847

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0505

muted

#7E7979

Preview Lab

Preview with #671C28

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

Preview Lab → · Contrast checker → · Palette generator →