#59B4EE#59B4EE

#59B4EE is a light, vivid cyan. Relative luminance 0.409; OKLCH L 73.8% C 0.121 H 239.3°. Best body text is #000000 at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#59B4EE
RGB	rgb(89, 180, 238)
HSL	hsl(203, 81%, 64%)
HSV	hsv(203, 63%, 93%)
CMYK	cmyk(62.6%, 24.4%, 0%, 6.7%)
CIE-LAB	lab(70.13, -9.93, -37.00)
CIE-LCH	lch(70.13, 38.31, 254.97°)
OKLab	oklab(73.79% -0.0617 -0.1039)
OKLCH	oklch(73.79% 0.121 239.3)
XYZ	xyz(35.8678, 40.9358, 86.8835)
Luminance	0.4094 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#59B4EE #EE9359

analogous

#59EEDE #59B4EE #596AEE

triadic

#59B4EE #EE59B4 #B4EE59

tetradic

#59B4EE #DE59EE #EE9359 #6AEE59

square

#59B4EE #DE59EE #EE9359 #6AEE59

split-complementary

#59B4EE #EE596A #EEDE59

monochromatic

#1379BA #219BE8 #59B4EE #91CDF4 #C8E6F9

Accessibility & contrast

On white

2.29

#59B4EE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.19

#59B4EE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #59B4EE

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##59B4EE	#FFFFFF	#000000	##000000
##59B4EE	1.00	2.29	9.19	9.19
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.19	21.00	1.00	1.00
##000000	9.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99B4F1

Deuteranopia (green-blind)

#85A5ED

Tritanopia (blue-blind)

#00C3C8

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #59b4ee;
/* rgb */ color: rgb(89, 180, 238);
/* oklch */ color: oklch(73.8% 0.121 239.3);

Tailwind

colors: {
  custom: {
    50: '#95caf3',
    500: '#59b4ee',
    950: '#000000',
  },
}

SCSS

$custom: #59b4ee;
$custom-light: #95caf3;
$custom-dark: #000000;

JSON

{
  "hex": "#59b4ee",
  "rgb": {
    "r": 89,
    "g": 180,
    "b": 238
  },
  "hsl": {
    "h": 203.356,
    "s": 81.421,
    "l": 64.118
  },
  "oklch": {
    "l": 0.73791,
    "c": 0.12088,
    "h": 239.3
  },
  "luminance": 0.40939
}

Semantic roles & 50–950 ramp

primary

#59B4EE

secondary

#EBCCB7

accent

#5B08DE

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1317

muted

#7E8285

Preview Lab

Preview with #59B4EE

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

Preview Lab → · Contrast checker → · Palette generator →