#17487C#17487C

#17487C is a dark, moderate cyan. Relative luminance 0.063; OKLCH L 39.8% C 0.102 H 253.0°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#17487C
RGB	rgb(23, 72, 124)
HSL	hsl(211, 69%, 29%)
HSV	hsv(211, 81%, 49%)
CMYK	cmyk(81.5%, 41.9%, 0%, 51.4%)
CIE-LAB	lab(30.09, 3.78, -34.12)
CIE-LCH	lch(30.09, 34.33, 276.32°)
OKLab	oklab(39.79% -0.0298 -0.0975)
OKLCH	oklch(39.79% 0.102 253)
XYZ	xyz(6.3074, 6.2714, 19.9429)
Luminance	0.0627 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17487C #7C4B17

analogous

#177B7C #17487C #19177C

triadic

#17487C #7C1748 #487C17

tetradic

#17487C #7C177B #7C4B17 #177C19

square

#17487C #7C177B #7C4B17 #177C19

split-complementary

#17487C #7C1917 #7B7C17

monochromatic

#050F1A #0D2A48 #17487C #2166B0 #3484D9

Accessibility & contrast

On white

9.32

#17487C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#17487C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17487C

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17487C	#FFFFFF	#000000	##FFFFFF
##17487C	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4C7E

Deuteranopia (green-blind)

#1E437B

Tritanopia (blue-blind)

#00545C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #17487c;
/* rgb */ color: rgb(23, 72, 124);
/* oklch */ color: oklch(39.8% 0.102 253.0);

Tailwind

colors: {
  custom: {
    50: '#657aa2',
    500: '#17487c',
    950: '#000000',
  },
}

SCSS

$custom: #17487c;
$custom-light: #657aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#17487c",
  "rgb": {
    "r": 23,
    "g": 72,
    "b": 124
  },
  "hsl": {
    "h": 210.891,
    "s": 68.707,
    "l": 28.824
  },
  "oklch": {
    "l": 0.39794,
    "c": 0.10197,
    "h": 253
  },
  "luminance": 0.06272
}

Semantic roles & 50–950 ramp

primary

#17487C

secondary

#B1793E

accent

#973CEC

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#06090F

muted

#7A7B7F

Preview Lab

Preview with #17487C

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

Preview Lab → · Contrast checker → · Palette generator →