#59B3EF#59B3EF

#59B3EF is a light, vivid cyan. Relative luminance 0.406; OKLCH L 73.6% C 0.122 H 240.5°. Best body text is #000000 at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#59B3EF
RGB	rgb(89, 179, 239)
HSL	hsl(204, 82%, 64%)
HSV	hsv(204, 63%, 94%)
CMYK	cmyk(62.8%, 25.1%, 0%, 6.3%)
CIE-LAB	lab(69.89, -9.07, -37.92)
CIE-LCH	lch(69.89, 38.99, 256.54°)
OKLab	oklab(73.61% -0.0604 -0.1066)
OKLCH	oklch(73.61% 0.123 240.5)
XYZ	xyz(35.8140, 40.5925, 87.5923)
Luminance	0.4060 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#59B3EF #EF9559

analogous

#59EFE0 #59B3EF #5968EF

triadic

#59B3EF #EF59B3 #B3EF59

tetradic

#59B3EF #E059EF #EF9559 #68EF59

square

#59B3EF #E059EF #EF9559 #68EF59

split-complementary

#59B3EF #EF5968 #EFE059

monochromatic

#1278BC #2199EA #59B3EF #91CDF4 #C9E6FA

Accessibility & contrast

On white

2.30

#59B3EF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.12

#59B3EF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #59B3EF

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##59B3EF	#FFFFFF	#000000	##000000
##59B3EF	1.00	2.30	9.12	9.12
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.12	21.00	1.00	1.00
##000000	9.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#98B3F2

Deuteranopia (green-blind)

#83A4EE

Tritanopia (blue-blind)

#00C2C8

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #59b3ef;
/* rgb */ color: rgb(89, 179, 239);
/* oklch */ color: oklch(73.6% 0.122 240.5);

Tailwind

colors: {
  custom: {
    50: '#95c9f4',
    500: '#59b3ef',
    950: '#000000',
  },
}

SCSS

$custom: #59b3ef;
$custom-light: #95c9f4;
$custom-dark: #000000;

JSON

{
  "hex": "#59b3ef",
  "rgb": {
    "r": 89,
    "g": 179,
    "b": 239
  },
  "hsl": {
    "h": 204,
    "s": 82.418,
    "l": 64.314
  },
  "oklch": {
    "l": 0.73613,
    "c": 0.1225,
    "h": 240.5
  },
  "luminance": 0.40596
}

Semantic roles & 50–950 ramp

primary

#59B3EF

secondary

#ECCDB8

accent

#5D07DF

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1317

muted

#7E8285

Preview Lab

Preview with #59B3EF

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

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