#17508D#17508D

#17508D is a dark, moderate cyan. Relative luminance 0.078; OKLCH L 42.9% C 0.116 H 253.6°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#17508D
RGB	rgb(23, 80, 141)
HSL	hsl(211, 72%, 32%)
HSV	hsv(211, 84%, 55%)
CMYK	cmyk(83.7%, 43.3%, 0%, 44.7%)
CIE-LAB	lab(33.65, 5.37, -38.93)
CIE-LCH	lch(33.65, 39.29, 277.85°)
OKLab	oklab(42.91% -0.0329 -0.1115)
OKLCH	oklch(42.91% 0.116 253.6)
XYZ	xyz(8.0279, 7.8416, 26.2846)
Luminance	0.0784 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17508D #8D5417

analogous

#178B8D #17508D #19178D

triadic

#17508D #8D1750 #508D17

tetradic

#17508D #8D178B #8D5417 #178D19

square

#17508D #8D178B #8D5417 #178D19

split-complementary

#17508D #8D1917 #8B8D17

monochromatic

#061424 #0E3258 #17508D #206EC2 #3F8CE0

Accessibility & contrast

On white

8.18

#17508D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#17508D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17508D

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17508D	#FFFFFF	#000000	##FFFFFF
##17508D	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31558F

Deuteranopia (green-blind)

#1C4A8C

Tritanopia (blue-blind)

#005F67

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #17508d;
/* rgb */ color: rgb(23, 80, 141);
/* oklch */ color: oklch(42.9% 0.116 253.6);

Tailwind

colors: {
  custom: {
    50: '#6980af',
    500: '#17508d',
    950: '#000000',
  },
}

SCSS

$custom: #17508d;
$custom-light: #6980af;
$custom-dark: #000000;

JSON

{
  "hex": "#17508d",
  "rgb": {
    "r": 23,
    "g": 80,
    "b": 141
  },
  "hsl": {
    "h": 211.017,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.42914,
    "c": 0.11623,
    "h": 253.6
  },
  "luminance": 0.07843
}

Semantic roles & 50–950 ramp

primary

#17508D

secondary

#C08240

accent

#9739EF

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #17508D

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

Preview Lab → · Contrast checker → · Palette generator →