#59BBE9#59BBE9

#59BBE9 is a light, moderate cyan. Relative luminance 0.435; OKLCH L 75.1% C 0.113 H 231.3°. Best body text is #000000 at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#59BBE9
RGB	rgb(89, 187, 233)
HSL	hsl(199, 77%, 63%)
HSV	hsv(199, 62%, 91%)
CMYK	cmyk(61.8%, 19.7%, 0%, 8.6%)
CIE-LAB	lab(71.92, -15.24, -31.51)
CIE-LCH	lch(71.92, 35.00, 244.19°)
OKLab	oklab(75.15% -0.0706 -0.0881)
OKLCH	oklch(75.15% 0.113 231.3)
XYZ	xyz(36.5924, 43.5440, 83.5514)
Luminance	0.4355 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#59BBE9 #E98759

analogous

#59E9CF #59BBE9 #5973E9

triadic

#59BBE9 #E959BB #BBE959

tetradic

#59BBE9 #CF59E9 #E98759 #73E959

square

#59BBE9 #CF59E9 #E98759 #73E959

split-complementary

#59BBE9 #E95973 #E9CF59

monochromatic

#177FB0 #23A5E2 #59BBE9 #8FD1F0 #C5E7F7

Accessibility & contrast

On white

2.16

#59BBE9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.71

#59BBE9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #59BBE9

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##59BBE9	#FFFFFF	#000000	##000000
##59BBE9	1.00	2.16	9.71	9.71
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.71	21.00	1.00	1.00
##000000	9.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A4B9EB

Deuteranopia (green-blind)

#90AAE8

Tritanopia (blue-blind)

#00C8CA

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #59bbe9;
/* rgb */ color: rgb(89, 187, 233);
/* oklch */ color: oklch(75.1% 0.113 231.3);

Tailwind

colors: {
  custom: {
    50: '#95cff0',
    500: '#59bbe9',
    950: '#000000',
  },
}

SCSS

$custom: #59bbe9;
$custom-light: #95cff0;
$custom-dark: #000000;

JSON

{
  "hex": "#59bbe9",
  "rgb": {
    "r": 89,
    "g": 187,
    "b": 233
  },
  "hsl": {
    "h": 199.167,
    "s": 76.596,
    "l": 63.137
  },
  "oklch": {
    "l": 0.75149,
    "c": 0.11293,
    "h": 231.3
  },
  "luminance": 0.43548
}

Semantic roles & 50–950 ramp

primary

#59BBE9

secondary

#E9C6B5

accent

#4E0DD9

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #59BBE9

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

Preview Lab → · Contrast checker → · Palette generator →