#17233D#17233D

#17233D is a dark, muted blue. Relative luminance 0.017; OKLCH L 26.0% C 0.052 H 264.3°. Best body text is #FFFFFF at 15.62:1 contrast (WCAG AA passes).

Color values

HEX	#17233D
RGB	rgb(23, 35, 61)
HSL	hsl(221, 45%, 16%)
HSV	hsv(221, 62%, 24%)
CMYK	cmyk(62.3%, 42.6%, 0%, 76.1%)
CIE-LAB	lab(13.95, 4.09, -18.28)
CIE-LCH	lch(13.95, 18.73, 282.63°)
OKLab	oklab(25.95% -0.0051 -0.0517)
OKLCH	oklch(25.95% 0.052 264.3)
XYZ	xyz(1.7964, 1.7210, 4.6515)
Luminance	0.0172 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17233D #3D3117

analogous

#17363D #17233D #1E173D

triadic

#17233D #3D1723 #233D17

tetradic

#17233D #3D1736 #3D3117 #173D1E

square

#17233D #3D1736 #3D3117 #173D1E

split-complementary

#17233D #3D1E17 #363D17

monochromatic

#080D16 #080D16 #17233D #283D69 #395696

Accessibility & contrast

On white

15.62

#17233D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#17233D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17233D

15.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17233D	#FFFFFF	#000000	##FFFFFF
##17233D	1.00	15.62	1.34	15.62
#FFFFFF	15.62	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19253E

Deuteranopia (green-blind)

#14223C

Tritanopia (blue-blind)

#04292D

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #17233d;
/* rgb */ color: rgb(23, 35, 61);
/* oklch */ color: oklch(26.0% 0.052 264.3);

Tailwind

colors: {
  custom: {
    50: '#575d72',
    500: '#17233d',
    950: '#000000',
  },
}

SCSS

$custom: #17233d;
$custom-light: #575d72;
$custom-dark: #000000;

JSON

{
  "hex": "#17233d",
  "rgb": {
    "r": 23,
    "g": 35,
    "b": 61
  },
  "hsl": {
    "h": 221.053,
    "s": 45.238,
    "l": 16.471
  },
  "oklch": {
    "l": 0.25952,
    "c": 0.05196,
    "h": 264.3
  },
  "luminance": 0.01721
}

Semantic roles & 50–950 ramp

primary

#17233D

secondary

#74623C

accent

#AC53D5

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030408

muted

#78797B

Preview Lab

Preview with #17233D

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

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