#17518C#17518C

#17518C is a dark, moderate cyan. Relative luminance 0.080; OKLCH L 43.1% C 0.114 H 252.6°. Best body text is #FFFFFF at 8.10:1 contrast (WCAG AA passes).

Color values

HEX	#17518C
RGB	rgb(23, 81, 140)
HSL	hsl(210, 72%, 32%)
HSV	hsv(210, 84%, 55%)
CMYK	cmyk(83.6%, 42.1%, 0%, 45.1%)
CIE-LAB	lab(33.90, 4.29, -37.92)
CIE-LCH	lch(33.90, 38.16, 276.46°)
OKLab	oklab(43.09% -0.034 -0.1085)
OKLCH	oklch(43.09% 0.114 252.6)
XYZ	xyz(8.0276, 7.9595, 25.9191)
Luminance	0.0796 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17518C #8C5217

analogous

#178C8C #17518C #17178C

triadic

#17518C #8C1751 #518C17

tetradic

#17518C #8C178C #8C5217 #178C17

square

#17518C #8C178C #8C5217 #178C17

split-complementary

#17518C #8C1717 #8C8C17

monochromatic

#061423 #0E3357 #17518C #206FC1 #3E8EDF

Accessibility & contrast

On white

8.10

#17518C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#17518C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17518C

8.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17518C	#FFFFFF	#000000	##FFFFFF
##17518C	1.00	8.10	2.59	8.10
#FFFFFF	8.10	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34558E

Deuteranopia (green-blind)

#204B8B

Tritanopia (blue-blind)

#005F67

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #17518c;
/* rgb */ color: rgb(23, 81, 140);
/* oklch */ color: oklch(43.1% 0.114 252.6);

Tailwind

colors: {
  custom: {
    50: '#6981ae',
    500: '#17518c',
    950: '#000000',
  },
}

SCSS

$custom: #17518c;
$custom-light: #6981ae;
$custom-dark: #000000;

JSON

{
  "hex": "#17518c",
  "rgb": {
    "r": 23,
    "g": 81,
    "b": 140
  },
  "hsl": {
    "h": 210.256,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.43087,
    "c": 0.1137,
    "h": 252.6
  },
  "luminance": 0.0796
}

Semantic roles & 50–950 ramp

primary

#17518C

secondary

#BF803F

accent

#9539EF

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #17518C

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

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