#17538C#17538C

#17538C is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.6% C 0.111 H 251.3°. Best body text is #FFFFFF at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#17538C
RGB	rgb(23, 83, 140)
HSL	hsl(209, 72%, 32%)
HSV	hsv(209, 84%, 55%)
CMYK	cmyk(83.6%, 40.7%, 0%, 45.1%)
CIE-LAB	lab(34.52, 2.98, -36.93)
CIE-LCH	lch(34.52, 37.05, 274.61°)
OKLab	oklab(43.57% -0.0358 -0.1055)
OKLCH	oklch(43.57% 0.111 251.3)
XYZ	xyz(8.1784, 8.2611, 25.9694)
Luminance	0.0826 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17538C #8C5017

analogous

#178C8B #17538C #17188C

triadic

#17538C #8C1753 #538C17

tetradic

#17538C #8B178C #8C5017 #188C17

square

#17538C #8B178C #8C5017 #188C17

split-complementary

#17538C #8C1718 #8C8B17

monochromatic

#061523 #0E3457 #17538C #2072C1 #3E91DF

Accessibility & contrast

On white

7.92

#17538C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#17538C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17538C

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17538C	#FFFFFF	#000000	##FFFFFF
##17538C	1.00	7.92	2.65	7.92
#FFFFFF	7.92	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37578E

Deuteranopia (green-blind)

#244C8B

Tritanopia (blue-blind)

#006168

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #17538c;
/* rgb */ color: rgb(23, 83, 140);
/* oklch */ color: oklch(43.6% 0.111 251.3);

Tailwind

colors: {
  custom: {
    50: '#6982ae',
    500: '#17538c',
    950: '#000000',
  },
}

SCSS

$custom: #17538c;
$custom-light: #6982ae;
$custom-dark: #000000;

JSON

{
  "hex": "#17538c",
  "rgb": {
    "r": 23,
    "g": 83,
    "b": 140
  },
  "hsl": {
    "h": 209.231,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.43573,
    "c": 0.11143,
    "h": 251.3
  },
  "luminance": 0.08262
}

Semantic roles & 50–950 ramp

primary

#17538C

secondary

#BF7E3F

accent

#9239EF

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #17538C

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

Preview Lab → · Contrast checker → · Palette generator →