#18529B#18529B

#18529B is a dark, vivid cyan. Relative luminance 0.086; OKLCH L 44.4% C 0.133 H 256.5°. Best body text is #FFFFFF at 7.72:1 contrast (WCAG AA passes).

Color values

HEX	#18529B
RGB	rgb(24, 82, 155)
HSL	hsl(213, 73%, 35%)
HSV	hsv(213, 85%, 61%)
CMYK	cmyk(84.5%, 47.1%, 0%, 39.2%)
CIE-LAB	lab(35.19, 9.82, -44.95)
CIE-LCH	lch(35.19, 46.01, 282.32°)
OKLab	oklab(44.41% -0.0311 -0.1291)
OKLCH	oklch(44.41% 0.133 256.5)
XYZ	xyz(9.3082, 8.5942, 32.1722)
Luminance	0.0859 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18529B #9B6118

analogous

#18939B #18529B #1F189B

triadic

#18529B #9B1852 #529B18

tetradic

#18529B #9B1893 #9B6118 #189B1F

square

#18529B #9B1893 #9B6118 #189B1F

split-complementary

#18529B #9B1F18 #939B18

monochromatic

#081A31 #103666 #18529B #206ED0 #4A8EE3

Accessibility & contrast

On white

7.72

#18529B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#18529B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18529B

7.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18529B	#FFFFFF	#000000	##FFFFFF
##18529B	1.00	7.72	2.72	7.72
#FFFFFF	7.72	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A599E

Deuteranopia (green-blind)

#044D9A

Tritanopia (blue-blind)

#00646F

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #18529b;
/* rgb */ color: rgb(24, 82, 155);
/* oklch */ color: oklch(44.4% 0.133 256.5);

Tailwind

colors: {
  custom: {
    50: '#6d82b9',
    500: '#18529b',
    950: '#000000',
  },
}

SCSS

$custom: #18529b;
$custom-light: #6d82b9;
$custom-dark: #000000;

JSON

{
  "hex": "#18529b",
  "rgb": {
    "r": 24,
    "g": 82,
    "b": 155
  },
  "hsl": {
    "h": 213.435,
    "s": 73.184,
    "l": 35.098
  },
  "oklch": {
    "l": 0.44408,
    "c": 0.13283,
    "h": 256.5
  },
  "luminance": 0.08595
}

Semantic roles & 50–950 ramp

primary

#18529B

secondary

#C58E4A

accent

#9E38F0

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #18529B

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

Preview Lab → · Contrast checker → · Palette generator →