#18589E#18589E

#18589E is a mid, vivid cyan. Relative luminance 0.096; OKLCH L 46.0% C 0.130 H 254.2°. Best body text is #FFFFFF at 7.17:1 contrast (WCAG AA passes).

Color values

HEX	#18589E
RGB	rgb(24, 88, 158)
HSL	hsl(211, 74%, 36%)
HSV	hsv(211, 85%, 62%)
CMYK	cmyk(84.8%, 44.3%, 0%, 38%)
CIE-LAB	lab(37.19, 7.05, -43.54)
CIE-LCH	lch(37.19, 44.11, 279.20°)
OKLab	oklab(46.02% -0.0353 -0.1249)
OKLCH	oklch(46.02% 0.13 254.2)
XYZ	xyz(10.0356, 9.6410, 33.6731)
Luminance	0.0964 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18589E #9E5E18

analogous

#189B9E #18589E #1B189E

triadic

#18589E #9E1858 #589E18

tetradic

#18589E #9E189B #9E5E18 #189E1B

square

#18589E #9E189B #9E5E18 #189E1B

split-complementary

#18589E #9E1B18 #9B9E18

monochromatic

#081D34 #103A69 #18589E #2076D3 #4D95E4

Accessibility & contrast

On white

7.17

#18589E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.93

#18589E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18589E

7.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18589E	#FFFFFF	#000000	##FFFFFF
##18589E	1.00	7.17	2.93	7.17
#FFFFFF	7.17	1.00	21.00	1.00
#000000	2.93	21.00	1.00	21.00
##FFFFFF	7.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#345EA1

Deuteranopia (green-blind)

#18529D

Tritanopia (blue-blind)

#006973

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #18589e;
/* rgb */ color: rgb(24, 88, 158);
/* oklch */ color: oklch(46.0% 0.130 254.2);

Tailwind

colors: {
  custom: {
    50: '#6d86bb',
    500: '#18589e',
    950: '#000000',
  },
}

SCSS

$custom: #18589e;
$custom-light: #6d86bb;
$custom-dark: #000000;

JSON

{
  "hex": "#18589e",
  "rgb": {
    "r": 24,
    "g": 88,
    "b": 158
  },
  "hsl": {
    "h": 211.343,
    "s": 73.626,
    "l": 35.686
  },
  "oklch": {
    "l": 0.46019,
    "c": 0.12976,
    "h": 254.2
  },
  "luminance": 0.09642
}

Semantic roles & 50–950 ramp

primary

#18589E

secondary

#C68C4C

accent

#9838F0

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B12

muted

#7B7C81

Preview Lab

Preview with #18589E

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

Preview Lab → · Contrast checker → · Palette generator →