#11172D#11172D

#11172D is a very dark, muted blue. Relative luminance 0.009; OKLCH L 21.1% C 0.044 H 270.7°. Best body text is #FFFFFF at 17.73:1 contrast (WCAG AA passes).

Color values

HEX	#11172D
RGB	rgb(17, 23, 45)
HSL	hsl(227, 45%, 12%)
HSV	hsv(227, 62%, 18%)
CMYK	cmyk(62.2%, 48.9%, 0%, 82.4%)
CIE-LAB	lab(8.32, 5.14, -15.71)
CIE-LCH	lch(8.32, 16.53, 288.12°)
OKLab	oklab(21.15% 0.0005 -0.0445)
OKLCH	oklch(21.15% 0.044 270.7)
XYZ	xyz(1.0111, 0.9214, 2.6067)
Luminance	0.0092 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11172D #2D2711

analogous

#11252D #11172D #19112D

triadic

#11172D #2D1117 #172D11

tetradic

#11172D #2D1125 #2D2711 #112D19

square

#11172D #2D1125 #2D2711 #112D19

split-complementary

#11172D #2D1911 #252D11

monochromatic

#080B16 #080B16 #11172D #222E59 #334486

Accessibility & contrast

On white

17.73

#11172D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#11172D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11172D

17.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11172D	#FFFFFF	#000000	##FFFFFF
##11172D	1.00	17.73	1.18	17.73
#FFFFFF	17.73	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E192E

Deuteranopia (green-blind)

#0B172D

Tritanopia (blue-blind)

#061C1F

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #11172d;
/* rgb */ color: rgb(17, 23, 45);
/* oklch */ color: oklch(21.1% 0.044 270.7);

Tailwind

colors: {
  custom: {
    50: '#515366',
    500: '#11172d',
    950: '#000000',
  },
}

SCSS

$custom: #11172d;
$custom-light: #515366;
$custom-dark: #000000;

JSON

{
  "hex": "#11172d",
  "rgb": {
    "r": 17,
    "g": 23,
    "b": 45
  },
  "hsl": {
    "h": 227.143,
    "s": 45.161,
    "l": 12.157
  },
  "oklch": {
    "l": 0.21149,
    "c": 0.04448,
    "h": 270.7
  },
  "luminance": 0.00921
}

Semantic roles & 50–950 ramp

primary

#11172D

secondary

#655B35

accent

#B953D5

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020206

muted

#78787A

Preview Lab

Preview with #11172D

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

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