#59B1EC#59B1EC

#59B1EC is a light, vivid cyan. Relative luminance 0.396; OKLCH L 73.0% C 0.121 H 240.5°. Best body text is #000000 at 8.92:1 contrast (WCAG AA passes).

Color values

HEX	#59B1EC
RGB	rgb(89, 177, 236)
HSL	hsl(204, 79%, 64%)
HSV	hsv(204, 62%, 93%)
CMYK	cmyk(62.3%, 25%, 0%, 7.5%)
CIE-LAB	lab(69.20, -8.93, -37.37)
CIE-LCH	lch(69.20, 38.42, 256.55°)
OKLab	oklab(73.02% -0.0593 -0.105)
OKLCH	oklch(73.02% 0.121 240.5)
XYZ	xyz(34.9766, 39.6208, 85.1449)
Luminance	0.3962 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#59B1EC #EC9459

analogous

#59ECDE #59B1EC #5967EC

triadic

#59B1EC #EC59B1 #B1EC59

tetradic

#59B1EC #DE59EC #EC9459 #67EC59

square

#59B1EC #DE59EC #EC9459 #67EC59

split-complementary

#59B1EC #EC5967 #ECDE59

monochromatic

#1575B6 #2297E6 #59B1EC #90CBF2 #C7E5F9

Accessibility & contrast

On white

2.35

#59B1EC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.92

#59B1EC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #59B1EC

8.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##59B1EC	#FFFFFF	#000000	##000000
##59B1EC	1.00	2.35	8.92	8.92
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.92	21.00	1.00	1.00
##000000	8.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#96B1EF

Deuteranopia (green-blind)

#82A2EB

Tritanopia (blue-blind)

#00C0C5

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #59b1ec;
/* rgb */ color: rgb(89, 177, 236);
/* oklch */ color: oklch(73.0% 0.121 240.5);

Tailwind

colors: {
  custom: {
    50: '#95c8f2',
    500: '#59b1ec',
    950: '#000000',
  },
}

SCSS

$custom: #59b1ec;
$custom-light: #95c8f2;
$custom-dark: #000000;

JSON

{
  "hex": "#59b1ec",
  "rgb": {
    "r": 89,
    "g": 177,
    "b": 236
  },
  "hsl": {
    "h": 204.082,
    "s": 79.459,
    "l": 63.725
  },
  "oklch": {
    "l": 0.73025,
    "c": 0.12058,
    "h": 240.5
  },
  "luminance": 0.39624
}

Semantic roles & 50–950 ramp

primary

#59B1EC

secondary

#EACBB6

accent

#5E0ADC

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1317

muted

#7E8285

Preview Lab

Preview with #59B1EC

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

Preview Lab → · Contrast checker → · Palette generator →