#59B5EB#59B5EB

#59B5EB is a light, moderate cyan. Relative luminance 0.412; OKLCH L 73.9% C 0.117 H 237.1°. Best body text is #000000 at 9.23:1 contrast (WCAG AA passes).

Color values

HEX	#59B5EB
RGB	rgb(89, 181, 235)
HSL	hsl(202, 78%, 64%)
HSV	hsv(202, 62%, 92%)
CMYK	cmyk(62.1%, 23%, 0%, 7.8%)
CIE-LAB	lab(70.29, -11.42, -35.12)
CIE-LCH	lch(70.29, 36.93, 251.99°)
OKLab	oklab(73.88% -0.0638 -0.0985)
OKLCH	oklch(73.88% 0.117 237.1)
XYZ	xyz(35.6334, 41.1662, 84.6491)
Luminance	0.4117 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#59B5EB #EB8F59

analogous

#59EBD8 #59B5EB #596CEB

triadic

#59B5EB #EB59B5 #B5EB59

tetradic

#59B5EB #D859EB #EB8F59 #6CEB59

square

#59B5EB #D859EB #EB8F59 #6CEB59

split-complementary

#59B5EB #EB596C #EBD859

monochromatic

#1679B4 #229DE4 #59B5EB #90CDF2 #C6E6F8

Accessibility & contrast

On white

2.27

#59B5EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.23

#59B5EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #59B5EB

9.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##59B5EB	#FFFFFF	#000000	##000000
##59B5EB	1.00	2.27	9.23	9.23
#FFFFFF	2.27	1.00	21.00	21.00
#000000	9.23	21.00	1.00	1.00
##000000	9.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9CB4EE

Deuteranopia (green-blind)

#88A5EA

Tritanopia (blue-blind)

#00C3C7

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #59b5eb;
/* rgb */ color: rgb(89, 181, 235);
/* oklch */ color: oklch(73.9% 0.117 237.1);

Tailwind

colors: {
  custom: {
    50: '#95cbf1',
    500: '#59b5eb',
    950: '#000000',
  },
}

SCSS

$custom: #59b5eb;
$custom-light: #95cbf1;
$custom-dark: #000000;

JSON

{
  "hex": "#59b5eb",
  "rgb": {
    "r": 89,
    "g": 181,
    "b": 235
  },
  "hsl": {
    "h": 202.192,
    "s": 78.495,
    "l": 63.529
  },
  "oklch": {
    "l": 0.73878,
    "c": 0.11734,
    "h": 237.1
  },
  "luminance": 0.4117
}

Semantic roles & 50–950 ramp

primary

#59B5EB

secondary

#EAC9B6

accent

#580BDB

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #59B5EB

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

Preview Lab → · Contrast checker → · Palette generator →