#17487D#17487D

#17487D is a dark, moderate cyan. Relative luminance 0.063; OKLCH L 39.9% C 0.103 H 253.4°. Best body text is #FFFFFF at 9.29:1 contrast (WCAG AA passes).

Color values

HEX	#17487D
RGB	rgb(23, 72, 125)
HSL	hsl(211, 69%, 29%)
HSV	hsv(211, 82%, 49%)
CMYK	cmyk(81.6%, 42.4%, 0%, 51%)
CIE-LAB	lab(30.15, 4.19, -34.65)
CIE-LCH	lch(30.15, 34.90, 276.89°)
OKLab	oklab(39.86% -0.0296 -0.0991)
OKLCH	oklch(39.86% 0.103 253.4)
XYZ	xyz(6.3710, 6.2968, 20.2777)
Luminance	0.0630 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17487D #7D4C17

analogous

#177B7D #17487D #19177D

triadic

#17487D #7D1748 #487D17

tetradic

#17487D #7D177B #7D4C17 #177D19

square

#17487D #7D177B #7D4C17 #177D19

split-complementary

#17487D #7D1917 #7B7D17

monochromatic

#050F1A #0D2A49 #17487D #2166B1 #3584DA

Accessibility & contrast

On white

9.29

#17487D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#17487D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17487D

9.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17487D	#FFFFFF	#000000	##FFFFFF
##17487D	1.00	9.29	2.26	9.29
#FFFFFF	9.29	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4C7F

Deuteranopia (green-blind)

#1D437C

Tritanopia (blue-blind)

#00555C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #17487d;
/* rgb */ color: rgb(23, 72, 125);
/* oklch */ color: oklch(39.9% 0.103 253.4);

Tailwind

colors: {
  custom: {
    50: '#657aa3',
    500: '#17487d',
    950: '#000000',
  },
}

SCSS

$custom: #17487d;
$custom-light: #657aa3;
$custom-dark: #000000;

JSON

{
  "hex": "#17487d",
  "rgb": {
    "r": 23,
    "g": 72,
    "b": 125
  },
  "hsl": {
    "h": 211.176,
    "s": 68.919,
    "l": 29.02
  },
  "oklch": {
    "l": 0.39862,
    "c": 0.10338,
    "h": 253.4
  },
  "luminance": 0.06298
}

Semantic roles & 50–950 ramp

primary

#17487D

secondary

#B27A3E

accent

#973CEC

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#06090F

muted

#7A7B7F

Preview Lab

Preview with #17487D

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

Preview Lab → · Contrast checker → · Palette generator →