#17538A#17538A

#17538A is a dark, moderate cyan. Relative luminance 0.082; OKLCH L 43.4% C 0.109 H 250.5°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#17538A
RGB	rgb(23, 83, 138)
HSL	hsl(209, 71%, 32%)
HSV	hsv(209, 83%, 54%)
CMYK	cmyk(83.3%, 39.9%, 0%, 45.9%)
CIE-LAB	lab(34.40, 2.17, -35.89)
CIE-LCH	lch(34.40, 35.96, 273.46°)
OKLab	oklab(43.44% -0.0363 -0.1025)
OKLCH	oklch(43.44% 0.109 250.5)
XYZ	xyz(8.0323, 8.2027, 25.1998)
Luminance	0.0820 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#17538A #8A4E17

analogous

#178A88 #17538A #17198A

triadic

#17538A #8A1753 #538A17

tetradic

#17538A #88178A #8A4E17 #198A17

square

#17538A #88178A #8A4E17 #198A17

split-complementary

#17538A #8A1719 #8A8817

monochromatic

#061421 #0E3356 #17538A #2073BE #3D91DF

Accessibility & contrast

On white

7.95

#17538A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#17538A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #17538A

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##17538A	#FFFFFF	#000000	##FFFFFF
##17538A	1.00	7.95	2.64	7.95
#FFFFFF	7.95	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39578C

Deuteranopia (green-blind)

#264C89

Tritanopia (blue-blind)

#006068

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #17538a;
/* rgb */ color: rgb(23, 83, 138);
/* oklch */ color: oklch(43.4% 0.109 250.5);

Tailwind

colors: {
  custom: {
    50: '#6882ac',
    500: '#17538a',
    950: '#000000',
  },
}

SCSS

$custom: #17538a;
$custom-light: #6882ac;
$custom-dark: #000000;

JSON

{
  "hex": "#17538a",
  "rgb": {
    "r": 23,
    "g": 83,
    "b": 138
  },
  "hsl": {
    "h": 208.696,
    "s": 71.429,
    "l": 31.569
  },
  "oklch": {
    "l": 0.43441,
    "c": 0.10874,
    "h": 250.5
  },
  "luminance": 0.08204
}

Semantic roles & 50–950 ramp

primary

#17538A

secondary

#BE7C3F

accent

#903AEE

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #17538A

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

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