#18579E#18579E

#18579E is a mid, vivid cyan. Relative luminance 0.095; OKLCH L 45.8% C 0.131 H 254.7°. Best body text is #FFFFFF at 7.25:1 contrast (WCAG AA passes).

Color values

HEX	#18579E
RGB	rgb(24, 87, 158)
HSL	hsl(212, 74%, 36%)
HSV	hsv(212, 85%, 62%)
CMYK	cmyk(84.8%, 44.9%, 0%, 38%)
CIE-LAB	lab(36.89, 7.71, -44.03)
CIE-LCH	lch(36.89, 44.70, 279.94°)
OKLab	oklab(45.79% -0.0345 -0.1263)
OKLCH	oklch(45.79% 0.131 254.7)
XYZ	xyz(9.9541, 9.4780, 33.6459)
Luminance	0.0948 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18579E #9E5F18

analogous

#189A9E #18579E #1C189E

triadic

#18579E #9E1857 #579E18

tetradic

#18579E #9E189A #9E5F18 #189E1C

square

#18579E #9E189A #9E5F18 #189E1C

split-complementary

#18579E #9E1C18 #9A9E18

monochromatic

#081C34 #103A69 #18579E #2074D3 #4D94E4

Accessibility & contrast

On white

7.25

#18579E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.90

#18579E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18579E

7.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18579E	#FFFFFF	#000000	##FFFFFF
##18579E	1.00	7.25	2.90	7.25
#FFFFFF	7.25	1.00	21.00	1.00
#000000	2.90	21.00	1.00	21.00
##FFFFFF	7.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#325DA1

Deuteranopia (green-blind)

#15519D

Tritanopia (blue-blind)

#006872

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #18579e;
/* rgb */ color: rgb(24, 87, 158);
/* oklch */ color: oklch(45.8% 0.131 254.7);

Tailwind

colors: {
  custom: {
    50: '#6d85bb',
    500: '#18579e',
    950: '#000000',
  },
}

SCSS

$custom: #18579e;
$custom-light: #6d85bb;
$custom-dark: #000000;

JSON

{
  "hex": "#18579e",
  "rgb": {
    "r": 24,
    "g": 87,
    "b": 158
  },
  "hsl": {
    "h": 211.791,
    "s": 73.626,
    "l": 35.686
  },
  "oklch": {
    "l": 0.45785,
    "c": 0.13093,
    "h": 254.7
  },
  "luminance": 0.09479
}

Semantic roles & 50–950 ramp

primary

#18579E

secondary

#C68D4C

accent

#9938F0

background

#F7F8FB

surface

#EDEFF6

border

#C8CAD0

text

#080B12

muted

#7B7C81

Preview Lab

Preview with #18579E

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

Preview Lab → · Contrast checker → · Palette generator →