#671B28#671B28

#671B28 is a dark, moderate red. Relative luminance 0.038; OKLCH L 35.0% C 0.108 H 14.9°. Best body text is #FFFFFF at 11.90:1 contrast (WCAG AA passes).

Color values

HEX	#671B28
RGB	rgb(103, 27, 40)
HSL	hsl(350, 58%, 25%)
HSV	hsv(350, 74%, 40%)
CMYK	cmyk(0%, 73.8%, 61.2%, 59.6%)
CIE-LAB	lab(23.07, 34.67, 11.22)
CIE-LCH	lch(23.07, 36.44, 17.93°)
OKLab	oklab(35.04% 0.1042 0.0278)
OKLCH	oklch(35.04% 0.108 14.9)
XYZ	xyz(6.3691, 3.8215, 2.4093)
Luminance	0.0382 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671B28 #1B675A

analogous

#671B4E #671B28 #67341B

triadic

#671B28 #28671B #1B2867

tetradic

#671B28 #4E671B #1B675A #341B67

square

#671B28 #4E671B #1B675A #341B67

split-complementary

#671B28 #1B6734 #1B4E67

monochromatic

#180609 #370E15 #671B28 #97283B #C8344E

Accessibility & contrast

On white

11.90

#671B28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#671B28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671B28

11.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671B28	#FFFFFF	#000000	##FFFFFF
##671B28	1.00	11.90	1.76	11.90
#FFFFFF	11.90	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2D28

Deuteranopia (green-blind)

#423D26

Tritanopia (blue-blind)

#710920

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #671b28;
/* rgb */ color: rgb(103, 27, 40);
/* oklch */ color: oklch(35.0% 0.108 14.9);

Tailwind

colors: {
  custom: {
    50: '#975d61',
    500: '#671b28',
    950: '#000000',
  },
}

SCSS

$custom: #671b28;
$custom-light: #975d61;
$custom-dark: #000000;

JSON

{
  "hex": "#671b28",
  "rgb": {
    "r": 103,
    "g": 27,
    "b": 40
  },
  "hsl": {
    "h": 349.737,
    "s": 58.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35038,
    "c": 0.1078,
    "h": 14.9
  },
  "luminance": 0.03821
}

Semantic roles & 50–950 ramp

primary

#671B28

secondary

#429C8D

accent

#E2C746

background

#F9F5F5

surface

#F2E9E9

border

#CCC5C5

text

#0E0405

muted

#7E7979

Preview Lab

Preview with #671B28

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

Preview Lab → · Contrast checker → · Palette generator →