#59B1E7#59B1E7

#59B1E7 is a light, moderate cyan. Relative luminance 0.393; OKLCH L 72.8% C 0.115 H 238.1°. Best body text is #000000 at 8.87:1 contrast (WCAG AA passes).

Color values

HEX	#59B1E7
RGB	rgb(89, 177, 231)
HSL	hsl(203, 75%, 63%)
HSV	hsv(203, 61%, 91%)
CMYK	cmyk(61.5%, 23.4%, 0%, 9.4%)
CIE-LAB	lab(68.99, -10.51, -34.96)
CIE-LCH	lch(68.99, 36.50, 253.27°)
OKLab	oklab(72.79% -0.0609 -0.098)
OKLCH	oklch(72.79% 0.115 238.1)
XYZ	xyz(34.2603, 39.3343, 81.3726)
Luminance	0.3934 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#59B1E7 #E78F59

analogous

#59E7D6 #59B1E7 #596AE7

triadic

#59B1E7 #E759B1 #B1E759

tetradic

#59B1E7 #D659E7 #E78F59 #6AE759

square

#59B1E7 #D659E7 #E78F59 #6AE759

split-complementary

#59B1E7 #E7596A #E7D659

monochromatic

#1974AD #2498DF #59B1E7 #8ECAEF #C4E3F6

Accessibility & contrast

On white

2.37

#59B1E7 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.87

#59B1E7 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #59B1E7

8.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##59B1E7	#FFFFFF	#000000	##000000
##59B1E7	1.00	2.37	8.87	8.87
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.87	21.00	1.00	1.00
##000000	8.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98B0EA

Deuteranopia (green-blind)

#85A2E6

Tritanopia (blue-blind)

#00BFC3

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #59b1e7;
/* rgb */ color: rgb(89, 177, 231);
/* oklch */ color: oklch(72.8% 0.115 238.1);

Tailwind

colors: {
  custom: {
    50: '#94c8ee',
    500: '#59b1e7',
    950: '#000000',
  },
}

SCSS

$custom: #59b1e7;
$custom-light: #94c8ee;
$custom-dark: #000000;

JSON

{
  "hex": "#59b1e7",
  "rgb": {
    "r": 89,
    "g": 177,
    "b": 231
  },
  "hsl": {
    "h": 202.817,
    "s": 74.737,
    "l": 62.745
  },
  "oklch": {
    "l": 0.72794,
    "c": 0.11544,
    "h": 238.1
  },
  "luminance": 0.39338
}

Semantic roles & 50–950 ramp

primary

#59B1E7

secondary

#E8C8B4

accent

#5B0FD7

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #59B1E7

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

Preview Lab → · Contrast checker → · Palette generator →