#18538C#18538C

#18538C is a dark, moderate cyan. Relative luminance 0.083; OKLCH L 43.6% C 0.111 H 251.5°. Best body text is #FFFFFF at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#18538C
RGB	rgb(24, 83, 140)
HSL	hsl(209, 71%, 32%)
HSV	hsv(209, 83%, 55%)
CMYK	cmyk(82.9%, 40.7%, 0%, 45.1%)
CIE-LAB	lab(34.55, 3.08, -36.89)
CIE-LCH	lch(34.55, 37.01, 274.78°)
OKLab	oklab(43.6% -0.0353 -0.1054)
OKLCH	oklch(43.6% 0.111 251.5)
XYZ	xyz(8.2018, 8.2732, 25.9705)
Luminance	0.0827 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18538C #8C5118

analogous

#188C8B #18538C #18198C

triadic

#18538C #8C1853 #538C18

tetradic

#18538C #8B188C #8C5118 #198C18

square

#18538C #8B188C #8C5118 #198C18

split-complementary

#18538C #8C1819 #8C8B18

monochromatic

#061524 #0F3458 #18538C #2172C0 #4091DE

Accessibility & contrast

On white

7.91

#18538C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.65

#18538C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18538C

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18538C	#FFFFFF	#000000	##FFFFFF
##18538C	1.00	7.91	2.65	7.91
#FFFFFF	7.91	1.00	21.00	1.00
#000000	2.65	21.00	1.00	21.00
##FFFFFF	7.91	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: #18538c;
/* rgb */ color: rgb(24, 83, 140);
/* oklch */ color: oklch(43.6% 0.111 251.5);

Tailwind

colors: {
  custom: {
    50: '#6982ae',
    500: '#18538c',
    950: '#000000',
  },
}

SCSS

$custom: #18538c;
$custom-light: #6982ae;
$custom-dark: #000000;

JSON

{
  "hex": "#18538c",
  "rgb": {
    "r": 24,
    "g": 83,
    "b": 140
  },
  "hsl": {
    "h": 209.483,
    "s": 70.732,
    "l": 32.157
  },
  "oklch": {
    "l": 0.43599,
    "c": 0.11115,
    "h": 251.5
  },
  "luminance": 0.08274
}

Semantic roles & 50–950 ramp

primary

#18538C

secondary

#BF7F41

accent

#923AED

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #18538C

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

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