#18589F#18589F

#18589F is a mid, vivid cyan. Relative luminance 0.097; OKLCH L 46.1% C 0.131 H 254.5°. Best body text is #FFFFFF at 7.15:1 contrast (WCAG AA passes).

Color values

HEX	#18589F
RGB	rgb(24, 88, 159)
HSL	hsl(212, 74%, 36%)
HSV	hsv(212, 85%, 62%)
CMYK	cmyk(84.9%, 44.7%, 0%, 37.6%)
CIE-LAB	lab(37.25, 7.46, -44.04)
CIE-LCH	lch(37.25, 44.67, 279.61°)
OKLab	oklab(46.09% -0.0351 -0.1263)
OKLCH	oklch(46.09% 0.131 254.5)
XYZ	xyz(10.1221, 9.6756, 34.1283)
Luminance	0.0968 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18589F #9F5F18

analogous

#189B9F #18589F #1C189F

triadic

#18589F #9F1858 #589F18

tetradic

#18589F #9F189B #9F5F18 #189F1C

square

#18589F #9F189B #9F5F18 #189F1C

split-complementary

#18589F #9F1C18 #9B9F18

monochromatic

#081D35 #103B6A #18589F #2075D4 #4D95E4

Accessibility & contrast

On white

7.15

#18589F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.94

#18589F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18589F

7.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18589F	#FFFFFF	#000000	##FFFFFF
##18589F	1.00	7.15	2.94	7.15
#FFFFFF	7.15	1.00	21.00	1.00
#000000	2.94	21.00	1.00	21.00
##FFFFFF	7.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#335EA2

Deuteranopia (green-blind)

#17529E

Tritanopia (blue-blind)

#006973

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #18589f;
/* rgb */ color: rgb(24, 88, 159);
/* oklch */ color: oklch(46.1% 0.131 254.5);

Tailwind

colors: {
  custom: {
    50: '#6e86bc',
    500: '#18589f',
    950: '#000000',
  },
}

SCSS

$custom: #18589f;
$custom-light: #6e86bc;
$custom-dark: #000000;

JSON

{
  "hex": "#18589f",
  "rgb": {
    "r": 24,
    "g": 88,
    "b": 159
  },
  "hsl": {
    "h": 211.556,
    "s": 73.77,
    "l": 35.882
  },
  "oklch": {
    "l": 0.46089,
    "c": 0.13111,
    "h": 254.5
  },
  "luminance": 0.09677
}

Semantic roles & 50–950 ramp

primary

#18589F

secondary

#C68D4D

accent

#9937F0

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B12

muted

#7B7C81

Preview Lab

Preview with #18589F

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

Preview Lab → · Contrast checker → · Palette generator →