#59B0EB#59B0EB

#59B0EB is a light, vivid cyan. Relative luminance 0.392; OKLCH L 72.8% C 0.120 H 240.8°. Best body text is #000000 at 8.83:1 contrast (WCAG AA passes).

Color values

HEX	#59B0EB
RGB	rgb(89, 176, 235)
HSL	hsl(204, 78%, 64%)
HSV	hsv(204, 62%, 92%)
CMYK	cmyk(62.1%, 25.1%, 0%, 7.8%)
CIE-LAB	lab(68.87, -8.70, -37.33)
CIE-LCH	lch(68.87, 38.33, 256.88°)
OKLab	oklab(72.75% -0.0586 -0.1049)
OKLCH	oklch(72.75% 0.12 240.8)
XYZ	xyz(34.6349, 39.1692, 84.3163)
Luminance	0.3917 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#59B0EB #EB9459

analogous

#59EBDD #59B0EB #5967EB

triadic

#59B0EB #EB59B0 #B0EB59

tetradic

#59B0EB #DD59EB #EB9459 #67EB59

square

#59B0EB #DD59EB #EB9459 #67EB59

split-complementary

#59B0EB #EB5967 #EBDD59

monochromatic

#1674B4 #2296E4 #59B0EB #90CAF2 #C6E4F8

Accessibility & contrast

On white

2.38

#59B0EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.83

#59B0EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #59B0EB

8.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##59B0EB	#FFFFFF	#000000	##000000
##59B0EB	1.00	2.38	8.83	8.83
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.83	21.00	1.00	1.00
##000000	8.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#95B0EE

Deuteranopia (green-blind)

#81A2EA

Tritanopia (blue-blind)

#00BFC4

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #59b0eb;
/* rgb */ color: rgb(89, 176, 235);
/* oklch */ color: oklch(72.8% 0.120 240.8);

Tailwind

colors: {
  custom: {
    50: '#95c7f1',
    500: '#59b0eb',
    950: '#000000',
  },
}

SCSS

$custom: #59b0eb;
$custom-light: #95c7f1;
$custom-dark: #000000;

JSON

{
  "hex": "#59b0eb",
  "rgb": {
    "r": 89,
    "g": 176,
    "b": 235
  },
  "hsl": {
    "h": 204.247,
    "s": 78.495,
    "l": 63.529
  },
  "oklch": {
    "l": 0.72754,
    "c": 0.12014,
    "h": 240.8
  },
  "luminance": 0.39173
}

Semantic roles & 50–950 ramp

primary

#59B0EB

secondary

#EACBB6

accent

#5F0BDB

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1317

muted

#7E8285

Preview Lab

Preview with #59B0EB

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

Preview Lab → · Contrast checker → · Palette generator →