#171E46#171E46

#171E46 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.4% C 0.075 H 272.5°. Best body text is #FFFFFF at 16.02:1 contrast (WCAG AA passes).

Color values

HEX	#171E46
RGB	rgb(23, 30, 70)
HSL	hsl(231, 51%, 18%)
HSV	hsv(231, 67%, 27%)
CMYK	cmyk(67.1%, 57.1%, 0%, 72.5%)
CIE-LAB	lab(12.94, 11.50, -26.18)
CIE-LCH	lch(12.94, 28.59, 293.71°)
OKLab	oklab(25.39% 0.0033 -0.0749)
OKLCH	oklch(25.39% 0.075 272.5)
XYZ	xyz(1.9227, 1.5527, 5.9916)
Luminance	0.0155 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171E46 #463F17

analogous

#173546 #171E46 #271746

triadic

#171E46 #46171E #1E4617

tetradic

#171E46 #461735 #463F17 #174627

square

#171E46 #461735 #463F17 #174627

split-complementary

#171E46 #462717 #354617

monochromatic

#080A17 #080A18 #171E46 #263274 #3545A2

Accessibility & contrast

On white

16.02

#171E46 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#171E46 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171E46

16.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171E46	#FFFFFF	#000000	##FFFFFF
##171E46	1.00	16.02	1.31	16.02
#FFFFFF	16.02	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#082447

Deuteranopia (green-blind)

#011F45

Tritanopia (blue-blind)

#00272E

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #171e46;
/* rgb */ color: rgb(23, 30, 70);
/* oklch */ color: oklch(25.4% 0.075 272.5);

Tailwind

colors: {
  custom: {
    50: '#59597a',
    500: '#171e46',
    950: '#000000',
  },
}

SCSS

$custom: #171e46;
$custom-light: #59597a;
$custom-dark: #000000;

JSON

{
  "hex": "#171e46",
  "rgb": {
    "r": 23,
    "g": 30,
    "b": 70
  },
  "hsl": {
    "h": 231.064,
    "s": 50.538,
    "l": 18.235
  },
  "oklch": {
    "l": 0.25385,
    "c": 0.07501,
    "h": 272.5
  },
  "luminance": 0.01553
}

Semantic roles & 50–950 ramp

primary

#171E46

secondary

#7D733C

accent

#C54EDA

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040309

muted

#79787B

Preview Lab

Preview with #171E46

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

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