#174F88#174F88

#174F88 is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 42.3% C 0.111 H 252.5°. Best body text is #FFFFFF at 8.37:1 contrast (WCAG AA passes).

Color values

HEX	#174F88
RGB	rgb(23, 79, 136)
HSL	hsl(210, 71%, 31%)
HSV	hsv(210, 83%, 53%)
CMYK	cmyk(83.1%, 41.9%, 0%, 46.7%)
CIE-LAB	lab(33.03, 4.00, -36.86)
CIE-LCH	lch(33.03, 37.07, 276.19°)
OKLab	oklab(42.33% -0.0332 -0.1054)
OKLCH	oklch(42.33% 0.111 252.5)
XYZ	xyz(7.5916, 7.5508, 24.3451)
Luminance	0.0755 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174F88 #885017

analogous

#178788 #174F88 #171788

triadic

#174F88 #88174F #4F8817

tetradic

#174F88 #881787 #885017 #178817

square

#174F88 #881787 #885017 #178817

split-complementary

#174F88 #881717 #878817

monochromatic

#05121F #0E3154 #174F88 #206DBC #3B8CDE

Accessibility & contrast

On white

8.37

#174F88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.51

#174F88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174F88

8.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174F88	#FFFFFF	#000000	##FFFFFF
##174F88	1.00	8.37	2.51	8.37
#FFFFFF	8.37	1.00	21.00	1.00
#000000	2.51	21.00	1.00	21.00
##FFFFFF	8.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#33538A

Deuteranopia (green-blind)

#204987

Tritanopia (blue-blind)

#005D65

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #174f88;
/* rgb */ color: rgb(23, 79, 136);
/* oklch */ color: oklch(42.3% 0.111 252.5);

Tailwind

colors: {
  custom: {
    50: '#687fab',
    500: '#174f88',
    950: '#000000',
  },
}

SCSS

$custom: #174f88;
$custom-light: #687fab;
$custom-dark: #000000;

JSON

{
  "hex": "#174f88",
  "rgb": {
    "r": 23,
    "g": 79,
    "b": 136
  },
  "hsl": {
    "h": 210.265,
    "s": 71.069,
    "l": 31.176
  },
  "oklch": {
    "l": 0.42329,
    "c": 0.11051,
    "h": 252.5
  },
  "luminance": 0.07552
}

Semantic roles & 50–950 ramp

primary

#174F88

secondary

#BC7E3F

accent

#953AEE

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #174F88

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

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