#59B0E9#59B0E9

#59B0E9 is a light, moderate cyan. Relative luminance 0.391; OKLCH L 72.7% C 0.118 H 239.9°. Best body text is #000000 at 8.81:1 contrast (WCAG AA passes).

Color values

HEX	#59B0E9
RGB	rgb(89, 176, 233)
HSL	hsl(204, 77%, 63%)
HSV	hsv(204, 62%, 91%)
CMYK	cmyk(61.8%, 24.5%, 0%, 8.6%)
CIE-LAB	lab(68.79, -9.34, -36.36)
CIE-LCH	lch(68.79, 37.54, 255.60°)
OKLab	oklab(72.66% -0.0592 -0.1021)
OKLCH	oklch(72.66% 0.118 239.9)
XYZ	xyz(34.3476, 39.0543, 82.8031)
Luminance	0.3906 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#59B0E9 #E99259

analogous

#59E9DA #59B0E9 #5968E9

triadic

#59B0E9 #E959B0 #B0E959

tetradic

#59B0E9 #DA59E9 #E99259 #68E959

square

#59B0E9 #DA59E9 #E99259 #68E959

split-complementary

#59B0E9 #E95968 #E9DA59

monochromatic

#1774B0 #2396E2 #59B0E9 #8FCAF0 #C5E3F7

Accessibility & contrast

On white

2.38

#59B0E9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.81

#59B0E9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #59B0E9

8.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##59B0E9	#FFFFFF	#000000	##000000
##59B0E9	1.00	2.38	8.81	8.81
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.81	21.00	1.00	1.00
##000000	8.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96B0EC

Deuteranopia (green-blind)

#82A1E8

Tritanopia (blue-blind)

#00BEC3

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #59b0e9;
/* rgb */ color: rgb(89, 176, 233);
/* oklch */ color: oklch(72.7% 0.118 239.9);

Tailwind

colors: {
  custom: {
    50: '#94c7f0',
    500: '#59b0e9',
    950: '#000000',
  },
}

SCSS

$custom: #59b0e9;
$custom-light: #94c7f0;
$custom-dark: #000000;

JSON

{
  "hex": "#59b0e9",
  "rgb": {
    "r": 89,
    "g": 176,
    "b": 233
  },
  "hsl": {
    "h": 203.75,
    "s": 76.596,
    "l": 63.137
  },
  "oklch": {
    "l": 0.72661,
    "c": 0.11804,
    "h": 239.9
  },
  "luminance": 0.39058
}

Semantic roles & 50–950 ramp

primary

#59B0E9

secondary

#E9CAB5

accent

#5D0DD9

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #59B0E9

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

Preview Lab → · Contrast checker → · Palette generator →