#18529D#18529D

#18529D is a dark, vivid cyan. Relative luminance 0.087; OKLCH L 44.6% C 0.136 H 256.9°. Best body text is #FFFFFF at 7.68:1 contrast (WCAG AA passes).

Color values

HEX	#18529D
RGB	rgb(24, 82, 157)
HSL	hsl(214, 73%, 35%)
HSV	hsv(214, 85%, 62%)
CMYK	cmyk(84.7%, 47.8%, 0%, 38.4%)
CIE-LAB	lab(35.33, 10.63, -45.94)
CIE-LCH	lch(35.33, 47.15, 283.03°)
OKLab	oklab(44.55% -0.0307 -0.132)
OKLCH	oklch(44.55% 0.136 256.9)
XYZ	xyz(9.4775, 8.6619, 33.0642)
Luminance	0.0866 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18529D #9D6318

analogous

#18949D #18529D #21189D

triadic

#18529D #9D1852 #529D18

tetradic

#18529D #9D1894 #9D6318 #189D21

square

#18529D #9D1894 #9D6318 #189D21

split-complementary

#18529D #9D2118 #949D18

monochromatic

#081B33 #103668 #18529D #206ED2 #4C8EE4

Accessibility & contrast

On white

7.68

#18529D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.73

#18529D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18529D

7.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18529D	#FFFFFF	#000000	##FFFFFF
##18529D	1.00	7.68	2.73	7.68
#FFFFFF	7.68	1.00	21.00	1.00
#000000	2.73	21.00	1.00	21.00
##FFFFFF	7.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2859A0

Deuteranopia (green-blind)

#004E9C

Tritanopia (blue-blind)

#006470

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #18529d;
/* rgb */ color: rgb(24, 82, 157);
/* oklch */ color: oklch(44.6% 0.136 256.9);

Tailwind

colors: {
  custom: {
    50: '#6d82ba',
    500: '#18529d',
    950: '#000000',
  },
}

SCSS

$custom: #18529d;
$custom-light: #6d82ba;
$custom-dark: #000000;

JSON

{
  "hex": "#18529d",
  "rgb": {
    "r": 24,
    "g": 82,
    "b": 157
  },
  "hsl": {
    "h": 213.835,
    "s": 73.481,
    "l": 35.49
  },
  "oklch": {
    "l": 0.44554,
    "c": 0.13558,
    "h": 256.9
  },
  "luminance": 0.08663
}

Semantic roles & 50–950 ramp

primary

#18529D

secondary

#C5904B

accent

#A038F0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A12

muted

#7B7C81

Preview Lab

Preview with #18529D

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

Preview Lab → · Contrast checker → · Palette generator →