#174E88#174E88

#174E88 is a dark, moderate cyan. Relative luminance 0.074; OKLCH L 42.1% C 0.112 H 253.2°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#174E88
RGB	rgb(23, 78, 136)
HSL	hsl(211, 71%, 31%)
HSV	hsv(211, 83%, 53%)
CMYK	cmyk(83.1%, 42.6%, 0%, 46.7%)
CIE-LAB	lab(32.72, 4.66, -37.35)
CIE-LCH	lch(32.72, 37.64, 277.11°)
OKLab	oklab(42.09% -0.0323 -0.1069)
OKLCH	oklch(42.09% 0.112 253.2)
XYZ	xyz(7.5200, 7.4076, 24.3212)
Luminance	0.0741 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#174E88 #885117

analogous

#178688 #174E88 #181788

triadic

#174E88 #88174E #4E8817

tetradic

#174E88 #881786 #885117 #178818

square

#174E88 #881786 #885117 #178818

split-complementary

#174E88 #881817 #868817

monochromatic

#05121F #0E3054 #174E88 #206CBC #3B8BDE

Accessibility & contrast

On white

8.46

#174E88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#174E88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #174E88

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##174E88	#FFFFFF	#000000	##FFFFFF
##174E88	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31528A

Deuteranopia (green-blind)

#1D4887

Tritanopia (blue-blind)

#005C64

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #174e88;
/* rgb */ color: rgb(23, 78, 136);
/* oklch */ color: oklch(42.1% 0.112 253.2);

Tailwind

colors: {
  custom: {
    50: '#687fab',
    500: '#174e88',
    950: '#000000',
  },
}

SCSS

$custom: #174e88;
$custom-light: #687fab;
$custom-dark: #000000;

JSON

{
  "hex": "#174e88",
  "rgb": {
    "r": 23,
    "g": 78,
    "b": 136
  },
  "hsl": {
    "h": 210.796,
    "s": 71.069,
    "l": 31.176
  },
  "oklch": {
    "l": 0.42086,
    "c": 0.11168,
    "h": 253.2
  },
  "luminance": 0.07409
}

Semantic roles & 50–950 ramp

primary

#174E88

secondary

#BC7F3F

accent

#963AEE

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #174E88

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

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