#17487E#17487E

#17487E is a dark, moderate cyan. Relative luminance 0.063; OKLCH L 39.9% C 0.105 H 253.8°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#17487E
RGB	rgb(23, 72, 126)
HSL	hsl(211, 69%, 29%)
HSV	hsv(211, 82%, 49%)
CMYK	cmyk(81.7%, 42.9%, 0%, 50.6%)
CIE-LAB	lab(30.21, 4.60, -35.17)
CIE-LCH	lch(30.21, 35.47, 277.45°)
OKLab	oklab(39.93% -0.0293 -0.1006)
OKLCH	oklch(39.93% 0.105 253.8)
XYZ	xyz(6.4352, 6.3225, 20.6158)
Luminance	0.0632 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17487E #7E4D17

analogous

#177C7E #17487E #19177E

triadic

#17487E #7E1748 #487E17

tetradic

#17487E #7E177C #7E4D17 #177E19

square

#17487E #7E177C #7E4D17 #177E19

split-complementary

#17487E #7E1917 #7C7E17

monochromatic

#050F1A #0E2A4A #17487E #2066B2 #3584DA

Accessibility & contrast

On white

9.27

#17487E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#17487E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17487E

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17487E	#FFFFFF	#000000	##FFFFFF
##17487E	1.00	9.27	2.26	9.27
#FFFFFF	9.27	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4C80

Deuteranopia (green-blind)

#1C437D

Tritanopia (blue-blind)

#00555D

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #17487e;
/* rgb */ color: rgb(23, 72, 126);
/* oklch */ color: oklch(39.9% 0.105 253.8);

Tailwind

colors: {
  custom: {
    50: '#667aa4',
    500: '#17487e',
    950: '#000000',
  },
}

SCSS

$custom: #17487e;
$custom-light: #667aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#17487e",
  "rgb": {
    "r": 23,
    "g": 72,
    "b": 126
  },
  "hsl": {
    "h": 211.456,
    "s": 69.128,
    "l": 29.216
  },
  "oklch": {
    "l": 0.39931,
    "c": 0.10479,
    "h": 253.8
  },
  "luminance": 0.06323
}

Semantic roles & 50–950 ramp

primary

#17487E

secondary

#B37B3E

accent

#983CEC

background

#F6F7FA

surface

#EBEDF4

border

#C6C8CE

text

#07090F

muted

#7A7B7F

Preview Lab

Preview with #17487E

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

Preview Lab → · Contrast checker → · Palette generator →