#171E44#171E44

#171E44 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.2% C 0.072 H 272.4°. Best body text is #FFFFFF at 16.08:1 contrast (WCAG AA passes).

Color values

HEX	#171E44
RGB	rgb(23, 30, 68)
HSL	hsl(231, 49%, 18%)
HSV	hsv(231, 66%, 27%)
CMYK	cmyk(66.2%, 55.9%, 0%, 73.3%)
CIE-LAB	lab(12.78, 10.69, -25.03)
CIE-LCH	lch(12.78, 27.22, 293.12°)
OKLab	oklab(25.22% 0.003 -0.0716)
OKLCH	oklch(25.22% 0.072 272.4)
XYZ	xyz(1.8607, 1.5279, 5.6646)
Luminance	0.0153 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#171E44 #443D17

analogous

#173444 #171E44 #261744

triadic

#171E44 #44171E #1E4417

tetradic

#171E44 #441734 #443D17 #174426

square

#171E44 #441734 #443D17 #174426

split-complementary

#171E44 #442617 #344417

monochromatic

#080A17 #080A17 #171E44 #263272 #36469F

Accessibility & contrast

On white

16.08

#171E44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#171E44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #171E44

16.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##171E44	#FFFFFF	#000000	##FFFFFF
##171E44	1.00	16.08	1.31	16.08
#FFFFFF	16.08	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A2345

Deuteranopia (green-blind)

#041F43

Tritanopia (blue-blind)

#00272D

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #171e44;
/* rgb */ color: rgb(23, 30, 68);
/* oklch */ color: oklch(25.2% 0.072 272.4);

Tailwind

colors: {
  custom: {
    50: '#595978',
    500: '#171e44',
    950: '#000000',
  },
}

SCSS

$custom: #171e44;
$custom-light: #595978;
$custom-dark: #000000;

JSON

{
  "hex": "#171e44",
  "rgb": {
    "r": 23,
    "g": 30,
    "b": 68
  },
  "hsl": {
    "h": 230.667,
    "s": 49.451,
    "l": 17.843
  },
  "oklch": {
    "l": 0.25218,
    "c": 0.07164,
    "h": 272.4
  },
  "luminance": 0.01528
}

Semantic roles & 50–950 ramp

primary

#171E44

secondary

#7B713C

accent

#C34FD9

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#040309

muted

#79787B

Preview Lab

Preview with #171E44

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

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