#18508D#18508D

#18508D is a dark, moderate cyan. Relative luminance 0.079; OKLCH L 42.9% C 0.116 H 253.8°. Best body text is #FFFFFF at 8.17:1 contrast (WCAG AA passes).

Color values

HEX	#18508D
RGB	rgb(24, 80, 141)
HSL	hsl(211, 71%, 32%)
HSV	hsv(211, 83%, 55%)
CMYK	cmyk(83%, 43.3%, 0%, 44.7%)
CIE-LAB	lab(33.68, 5.47, -38.88)
CIE-LCH	lch(33.68, 39.27, 278.01°)
OKLab	oklab(42.94% -0.0324 -0.1113)
OKLCH	oklch(42.94% 0.116 253.8)
XYZ	xyz(8.0513, 7.8536, 26.2857)
Luminance	0.0785 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18508D #8D5518

analogous

#188B8D #18508D #1B188D

triadic

#18508D #8D1850 #508D18

tetradic

#18508D #8D188B #8D5518 #188D1B

square

#18508D #8D188B #8D5518 #188D1B

split-complementary

#18508D #8D1B18 #8B8D18

monochromatic

#061524 #0F3259 #18508D #216EC1 #418CDF

Accessibility & contrast

On white

8.17

#18508D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#18508D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18508D

8.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18508D	#FFFFFF	#000000	##FFFFFF
##18508D	1.00	8.17	2.57	8.17
#FFFFFF	8.17	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#31558F

Deuteranopia (green-blind)

#1C4A8C

Tritanopia (blue-blind)

#005F67

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #18508d;
/* rgb */ color: rgb(24, 80, 141);
/* oklch */ color: oklch(42.9% 0.116 253.8);

Tailwind

colors: {
  custom: {
    50: '#6980af',
    500: '#18508d',
    950: '#000000',
  },
}

SCSS

$custom: #18508d;
$custom-light: #6980af;
$custom-dark: #000000;

JSON

{
  "hex": "#18508d",
  "rgb": {
    "r": 24,
    "g": 80,
    "b": 141
  },
  "hsl": {
    "h": 211.282,
    "s": 70.909,
    "l": 32.353
  },
  "oklch": {
    "l": 0.42941,
    "c": 0.11595,
    "h": 253.8
  },
  "luminance": 0.07855
}

Semantic roles & 50–950 ramp

primary

#18508D

secondary

#BF8342

accent

#983AEE

background

#F6F7FA

surface

#ECEEF4

border

#C7C9CE

text

#070A10

muted

#7A7C7F

Preview Lab

Preview with #18508D

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

Preview Lab → · Contrast checker → · Palette generator →