#59A3EB#59A3EB

#59A3EB is a light, vivid cyan. Relative luminance 0.343; OKLCH L 69.9% C 0.130 H 249.6°. Best body text is #000000 at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#59A3EB
RGB	rgb(89, 163, 235)
HSL	hsl(210, 78%, 64%)
HSV	hsv(210, 62%, 92%)
CMYK	cmyk(62.1%, 30.6%, 0%, 7.8%)
CIE-LAB	lab(65.21, -1.46, -43.05)
CIE-LCH	lch(65.21, 43.08, 268.06°)
OKLab	oklab(69.86% -0.0452 -0.1216)
OKLCH	oklch(69.86% 0.13 249.6)
XYZ	xyz(32.2069, 34.3133, 83.5070)
Luminance	0.3432 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#59A3EB #EBA159

analogous

#59EBEA #59A3EB #595AEB

triadic

#59A3EB #EB59A3 #A3EB59

tetradic

#59A3EB #EA59EB #EBA159 #5AEB59

square

#59A3EB #EA59EB #EBA159 #5AEB59

split-complementary

#59A3EB #EB595A #EBEA59

monochromatic

#1666B4 #2285E4 #59A3EB #90C1F2 #C6E0F8

Accessibility & contrast

On white

2.67

#59A3EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.86

#59A3EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #59A3EB

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##59A3EB	#FFFFFF	#000000	##000000
##59A3EB	1.00	2.67	7.86	7.86
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.86	21.00	1.00	1.00
##000000	7.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84A6EE

Deuteranopia (green-blind)

#7098EA

Tritanopia (blue-blind)

#00B4BD

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #59a3eb;
/* rgb */ color: rgb(89, 163, 235);
/* oklch */ color: oklch(69.9% 0.130 249.6);

Tailwind

colors: {
  custom: {
    50: '#94bef1',
    500: '#59a3eb',
    950: '#000000',
  },
}

SCSS

$custom: #59a3eb;
$custom-light: #94bef1;
$custom-dark: #000000;

JSON

{
  "hex": "#59a3eb",
  "rgb": {
    "r": 89,
    "g": 163,
    "b": 235
  },
  "hsl": {
    "h": 209.589,
    "s": 78.495,
    "l": 63.529
  },
  "oklch": {
    "l": 0.69864,
    "c": 0.1297,
    "h": 249.6
  },
  "luminance": 0.34316
}

Semantic roles & 50–950 ramp

primary

#59A3EB

secondary

#EAD0B6

accent

#710BDB

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1217

muted

#7E8185

Preview Lab

Preview with #59A3EB

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

Preview Lab → · Contrast checker → · Palette generator →