#174F89#174F89

#174F89 is a dark, moderate cyan. Relative luminance 0.076; OKLCH L 42.4% C 0.112 H 252.9°. Best body text is #FFFFFF at 8.35:1 contrast (WCAG AA passes).

Color values

HEX	#174F89
RGB	rgb(23, 79, 137)
HSL	hsl(211, 71%, 31%)
HSV	hsv(211, 83%, 54%)
CMYK	cmyk(83.2%, 42.3%, 0%, 46.3%)
CIE-LAB	lab(33.09, 4.40, -37.37)
CIE-LCH	lch(33.09, 37.63, 276.72°)
OKLab	oklab(42.4% -0.033 -0.1069)
OKLCH	oklch(42.4% 0.112 252.9)
XYZ	xyz(7.6630, 7.5793, 24.7211)
Luminance	0.0758 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174F89 #895117

analogous

#178889 #174F89 #181789

triadic

#174F89 #89174F #4F8917

tetradic

#174F89 #891788 #895117 #178918

square

#174F89 #891788 #895117 #178918

split-complementary

#174F89 #891817 #888917

monochromatic

#051320 #0E3155 #174F89 #206DBD #3C8CDE

Accessibility & contrast

On white

8.35

#174F89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#174F89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174F89

8.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174F89	#FFFFFF	#000000	##FFFFFF
##174F89	1.00	8.35	2.52	8.35
#FFFFFF	8.35	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#32538B

Deuteranopia (green-blind)

#1F4988

Tritanopia (blue-blind)

#005D65

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #174f89;
/* rgb */ color: rgb(23, 79, 137);
/* oklch */ color: oklch(42.4% 0.112 252.9);

Tailwind

colors: {
  custom: {
    50: '#687fac',
    500: '#174f89',
    950: '#000000',
  },
}

SCSS

$custom: #174f89;
$custom-light: #687fac;
$custom-dark: #000000;

JSON

{
  "hex": "#174f89",
  "rgb": {
    "r": 23,
    "g": 79,
    "b": 137
  },
  "hsl": {
    "h": 210.526,
    "s": 71.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.42397,
    "c": 0.11189,
    "h": 252.9
  },
  "luminance": 0.0758
}

Semantic roles & 50–950 ramp

primary

#174F89

secondary

#BD7F3F

accent

#953AEE

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #174F89

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

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