#59B4DF#59B4DF

#59B4DF is a light, moderate cyan. Relative luminance 0.401; OKLCH L 73.1% C 0.107 H 231.2°. Best body text is #000000 at 9.02:1 contrast (WCAG AA passes).

Color values

HEX	#59B4DF
RGB	rgb(89, 180, 223)
HSL	hsl(199, 68%, 61%)
HSV	hsv(199, 60%, 87%)
CMYK	cmyk(60.1%, 19.3%, 0%, 12.5%)
CIE-LAB	lab(69.53, -14.60, -29.75)
CIE-LCH	lch(69.53, 33.14, 243.86°)
OKLab	oklab(73.12% -0.0668 -0.0831)
OKLCH	oklch(73.12% 0.107 231.2)
XYZ	xyz(33.7552, 40.0908, 75.7571)
Luminance	0.4009 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#59B4DF #DF8459

analogous

#59DFC7 #59B4DF #5971DF

triadic

#59B4DF #DF59B4 #B4DF59

tetradic

#59B4DF #C759DF #DF8459 #71DF59

square

#59B4DF #C759DF #DF8459 #71DF59

split-complementary

#59B4DF #DF5971 #DFC759

monochromatic

#1F769F #299CD2 #59B4DF #8CCBE9 #C0E2F3

Accessibility & contrast

On white

2.33

#59B4DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.02

#59B4DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #59B4DF

9.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##59B4DF	#FFFFFF	#000000	##000000
##59B4DF	1.00	2.33	9.02	9.02
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.02	21.00	1.00	1.00
##000000	9.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FB2E1

Deuteranopia (green-blind)

#8CA4DE

Tritanopia (blue-blind)

#00C0C2

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #59b4df;
/* rgb */ color: rgb(89, 180, 223);
/* oklch */ color: oklch(73.1% 0.107 231.2);

Tailwind

colors: {
  custom: {
    50: '#93cae9',
    500: '#59b4df',
    950: '#000000',
  },
}

SCSS

$custom: #59b4df;
$custom-light: #93cae9;
$custom-dark: #000000;

JSON

{
  "hex": "#59b4df",
  "rgb": {
    "r": 89,
    "g": 180,
    "b": 223
  },
  "hsl": {
    "h": 199.254,
    "s": 67.677,
    "l": 61.176
  },
  "oklch": {
    "l": 0.7312,
    "c": 0.10664,
    "h": 231.2
  },
  "luminance": 0.40094
}

Semantic roles & 50–950 ramp

primary

#59B4DF

secondary

#E3C1B1

accent

#5116D0

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #59B4DF

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

Preview Lab → · Contrast checker → · Palette generator →