#091B43#091B43

#091B43 is a very dark, moderate blue. Relative luminance 0.012; OKLCH L 23.5% C 0.080 H 263.3°. Best body text is #FFFFFF at 16.81:1 contrast (WCAG AA passes).

Color values

HEX	#091B43
RGB	rgb(9, 27, 67)
HSL	hsl(221, 76%, 15%)
HSV	hsv(221, 87%, 26%)
CMYK	cmyk(86.6%, 59.7%, 0%, 73.7%)
CIE-LAB	lab(10.90, 9.95, -27.42)
CIE-LCH	lch(10.90, 29.17, 289.95°)
OKLab	oklab(23.54% -0.0093 -0.079)
OKLCH	oklch(23.54% 0.08 263.3)
XYZ	xyz(1.5173, 1.2470, 5.4698)
Luminance	0.0125 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#091B43 #433109

analogous

#093843 #091B43 #140943

triadic

#091B43 #43091B #1B4309

tetradic

#091B43 #430938 #433109 #094314

square

#091B43 #430938 #433109 #094314

split-complementary

#091B43 #431409 #384309

monochromatic

#040B1B #040B1B #091B43 #103179 #1746AF

Accessibility & contrast

On white

16.81

#091B43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.25

#091B43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #091B43

16.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##091B43	#FFFFFF	#000000	##FFFFFF
##091B43	1.00	16.81	1.25	16.81
#FFFFFF	16.81	1.00	21.00	1.00
#000000	1.25	21.00	1.00	21.00
##FFFFFF	16.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#012044

Deuteranopia (green-blind)

#001B42

Tritanopia (blue-blind)

#00252B

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #091b43;
/* rgb */ color: rgb(9, 27, 67);
/* oklch */ color: oklch(23.5% 0.080 263.3);

Tailwind

colors: {
  custom: {
    50: '#535677',
    500: '#091b43',
    950: '#000000',
  },
}

SCSS

$custom: #091b43;
$custom-light: #535677;
$custom-dark: #000000;

JSON

{
  "hex": "#091b43",
  "rgb": {
    "r": 9,
    "g": 27,
    "b": 67
  },
  "hsl": {
    "h": 221.379,
    "s": 76.316,
    "l": 14.902
  },
  "oklch": {
    "l": 0.23538,
    "c": 0.07953,
    "h": 263.3
  },
  "luminance": 0.01247
}

Semantic roles & 50–950 ramp

primary

#091B43

secondary

#816527

accent

#B835F3

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030309

muted

#78787B

Preview Lab

Preview with #091B43

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

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