#59B4EC#59B4EC

#59B4EC is a light, moderate cyan. Relative luminance 0.408; OKLCH L 73.7% C 0.119 H 238.3°. Best body text is #000000 at 9.16:1 contrast (WCAG AA passes).

Color values

HEX	#59B4EC
RGB	rgb(89, 180, 236)
HSL	hsl(203, 79%, 64%)
HSV	hsv(203, 62%, 93%)
CMYK	cmyk(62.3%, 23.7%, 0%, 7.5%)
CIE-LAB	lab(70.05, -10.56, -36.04)
CIE-LCH	lch(70.05, 37.56, 253.66°)
OKLab	oklab(73.7% -0.0624 -0.1012)
OKLCH	oklch(73.7% 0.119 238.3)
XYZ	xyz(35.5756, 40.8189, 85.3446)
Luminance	0.4082 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#59B4EC #EC9159

analogous

#59ECDA #59B4EC #596AEC

triadic

#59B4EC #EC59B4 #B4EC59

tetradic

#59B4EC #DA59EC #EC9159 #6AEC59

square

#59B4EC #DA59EC #EC9159 #6AEC59

split-complementary

#59B4EC #EC596A #ECDA59

monochromatic

#1578B6 #229BE6 #59B4EC #90CDF2 #C7E6F9

Accessibility & contrast

On white

2.29

#59B4EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.16

#59B4EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #59B4EC

9.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##59B4EC	#FFFFFF	#000000	##000000
##59B4EC	1.00	2.29	9.16	9.16
#FFFFFF	2.29	1.00	21.00	21.00
#000000	9.16	21.00	1.00	1.00
##000000	9.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9AB3EF

Deuteranopia (green-blind)

#86A5EB

Tritanopia (blue-blind)

#00C2C7

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #59b4ec;
/* rgb */ color: rgb(89, 180, 236);
/* oklch */ color: oklch(73.7% 0.119 238.3);

Tailwind

colors: {
  custom: {
    50: '#95caf2',
    500: '#59b4ec',
    950: '#000000',
  },
}

SCSS

$custom: #59b4ec;
$custom-light: #95caf2;
$custom-dark: #000000;

JSON

{
  "hex": "#59b4ec",
  "rgb": {
    "r": 89,
    "g": 180,
    "b": 236
  },
  "hsl": {
    "h": 202.857,
    "s": 79.459,
    "l": 63.725
  },
  "oklch": {
    "l": 0.73699,
    "c": 0.11886,
    "h": 238.3
  },
  "luminance": 0.40822
}

Semantic roles & 50–950 ramp

primary

#59B4EC

secondary

#EACAB6

accent

#5A0ADC

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1317

muted

#7E8285

Preview Lab

Preview with #59B4EC

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

Preview Lab → · Contrast checker → · Palette generator →