#59B3EB#59B3EB

#59B3EB is a light, moderate cyan. Relative luminance 0.404; OKLCH L 73.4% C 0.118 H 238.6°. Best body text is #000000 at 9.07:1 contrast (WCAG AA passes).

Color values

HEX	#59B3EB
RGB	rgb(89, 179, 235)
HSL	hsl(203, 78%, 64%)
HSV	hsv(203, 62%, 92%)
CMYK	cmyk(62.1%, 23.8%, 0%, 7.8%)
CIE-LAB	lab(69.72, -10.34, -36.00)
CIE-LCH	lch(69.72, 37.46, 253.98°)
OKLab	oklab(73.43% -0.0617 -0.101)
OKLCH	oklch(73.43% 0.118 238.6)
XYZ	xyz(35.2296, 40.3587, 84.5146)
Luminance	0.4036 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#59B3EB #EB9159

analogous

#59EBDA #59B3EB #596AEB

triadic

#59B3EB #EB59B3 #B3EB59

tetradic

#59B3EB #DA59EB #EB9159 #6AEB59

square

#59B3EB #DA59EB #EB9159 #6AEB59

split-complementary

#59B3EB #EB596A #EBDA59

monochromatic

#1677B4 #229AE4 #59B3EB #90CCF2 #C6E5F8

Accessibility & contrast

On white

2.31

#59B3EB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.07

#59B3EB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #59B3EB

9.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##59B3EB	#FFFFFF	#000000	##000000
##59B3EB	1.00	2.31	9.07	9.07
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.07	21.00	1.00	1.00
##000000	9.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99B3EE

Deuteranopia (green-blind)

#85A4EA

Tritanopia (blue-blind)

#00C1C6

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #59b3eb;
/* rgb */ color: rgb(89, 179, 235);
/* oklch */ color: oklch(73.4% 0.118 238.6);

Tailwind

colors: {
  custom: {
    50: '#95c9f1',
    500: '#59b3eb',
    950: '#000000',
  },
}

SCSS

$custom: #59b3eb;
$custom-light: #95c9f1;
$custom-dark: #000000;

JSON

{
  "hex": "#59b3eb",
  "rgb": {
    "r": 89,
    "g": 179,
    "b": 235
  },
  "hsl": {
    "h": 203.014,
    "s": 78.495,
    "l": 63.529
  },
  "oklch": {
    "l": 0.73428,
    "c": 0.11839,
    "h": 238.6
  },
  "luminance": 0.40362
}

Semantic roles & 50–950 ramp

primary

#59B3EB

secondary

#EACAB6

accent

#5B0BDB

background

#F9FCFE

surface

#F2F8FD

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #59B3EB

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

Preview Lab → · Contrast checker → · Palette generator →