#691B2B#691B2B

#691B2B is a dark, moderate red. Relative luminance 0.040; OKLCH L 35.5% C 0.110 H 12.9°. Best body text is #FFFFFF at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#691B2B
RGB	rgb(105, 27, 43)
HSL	hsl(348, 59%, 26%)
HSV	hsv(348, 74%, 41%)
CMYK	cmyk(0%, 74.3%, 59%, 58.8%)
CIE-LAB	lab(23.55, 35.61, 9.87)
CIE-LCH	lch(23.55, 36.95, 15.49°)
OKLab	oklab(35.49% 0.1075 0.0247)
OKLCH	oklch(35.49% 0.11 12.9)
XYZ	xyz(6.6543, 3.9625, 2.6995)
Luminance	0.0396 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#691B2B #1B6959

analogous

#691B52 #691B2B #69321B

triadic

#691B2B #2B691B #1B2B69

tetradic

#691B2B #52691B #1B6959 #321B69

square

#691B2B #52691B #1B6959 #321B69

split-complementary

#691B2B #1B6932 #1B5269

monochromatic

#18060A #380E17 #691B2B #9A283F #CA3453

Accessibility & contrast

On white

11.72

#691B2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#691B2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #691B2B

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##691B2B	#FFFFFF	#000000	##FFFFFF
##691B2B	1.00	11.72	1.79	11.72
#FFFFFF	11.72	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F2E2B

Deuteranopia (green-blind)

#433E29

Tritanopia (blue-blind)

#730921

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #691b2b;
/* rgb */ color: rgb(105, 27, 43);
/* oklch */ color: oklch(35.5% 0.110 12.9);

Tailwind

colors: {
  custom: {
    50: '#995e64',
    500: '#691b2b',
    950: '#000000',
  },
}

SCSS

$custom: #691b2b;
$custom-light: #995e64;
$custom-dark: #000000;

JSON

{
  "hex": "#691b2b",
  "rgb": {
    "r": 105,
    "g": 27,
    "b": 43
  },
  "hsl": {
    "h": 347.692,
    "s": 59.091,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35488,
    "c": 0.11026,
    "h": 12.9
  },
  "luminance": 0.03962
}

Semantic roles & 50–950 ramp

primary

#691B2B

secondary

#429E8B

accent

#E2C246

background

#F9F5F5

surface

#F2E9EA

border

#CCC5C6

text

#0F0505

muted

#7E7979

Preview Lab

Preview with #691B2B

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

Preview Lab → · Contrast checker → · Palette generator →