#671B2A#671B2A

#671B2A is a dark, moderate red. Relative luminance 0.038; OKLCH L 35.1% C 0.108 H 13.3°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#671B2A
RGB	rgb(103, 27, 42)
HSL	hsl(348, 58%, 25%)
HSV	hsv(348, 74%, 40%)
CMYK	cmyk(0%, 73.8%, 59.2%, 59.6%)
CIE-LAB	lab(23.12, 34.84, 9.91)
CIE-LCH	lch(23.12, 36.22, 15.87°)
OKLab	oklab(35.09% 0.1051 0.0248)
OKLCH	oklch(35.09% 0.108 13.3)
XYZ	xyz(6.4040, 3.8355, 2.5931)
Luminance	0.0384 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#671B2A #1B6758

analogous

#671B50 #671B2A #67321B

triadic

#671B2A #2A671B #1B2A67

tetradic

#671B2A #50671B #1B6758 #321B67

square

#671B2A #50671B #1B6758 #321B67

split-complementary

#671B2A #1B6732 #1B5067

monochromatic

#18060A #370E16 #671B2A #97283E #C83452

Accessibility & contrast

On white

11.88

#671B2A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#671B2A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #671B2A

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##671B2A	#FFFFFF	#000000	##FFFFFF
##671B2A	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E2D2A

Deuteranopia (green-blind)

#423D28

Tritanopia (blue-blind)

#710A21

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #671b2a;
/* rgb */ color: rgb(103, 27, 42);
/* oklch */ color: oklch(35.1% 0.108 13.3);

Tailwind

colors: {
  custom: {
    50: '#975d63',
    500: '#671b2a',
    950: '#000000',
  },
}

SCSS

$custom: #671b2a;
$custom-light: #975d63;
$custom-dark: #000000;

JSON

{
  "hex": "#671b2a",
  "rgb": {
    "r": 103,
    "g": 27,
    "b": 42
  },
  "hsl": {
    "h": 348.158,
    "s": 58.462,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35089,
    "c": 0.10793,
    "h": 13.3
  },
  "luminance": 0.03835
}

Semantic roles & 50–950 ramp

primary

#671B2A

secondary

#429C8A

accent

#E2C346

background

#F9F5F5

surface

#F2E9EA

border

#CCC5C6

text

#0E0405

muted

#7E7979

Preview Lab

Preview with #671B2A

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

Preview Lab → · Contrast checker → · Palette generator →