#59B1DF#59B1DF

#59B1DF is a light, moderate cyan. Relative luminance 0.389; OKLCH L 72.4% C 0.108 H 233.8°. Best body text is #000000 at 8.78:1 contrast (WCAG AA passes).

Color values

HEX	#59B1DF
RGB	rgb(89, 177, 223)
HSL	hsl(201, 68%, 61%)
HSV	hsv(201, 60%, 87%)
CMYK	cmyk(60.1%, 20.6%, 0%, 12.5%)
CIE-LAB	lab(68.67, -13.00, -31.08)
CIE-LCH	lch(68.67, 33.69, 247.31°)
OKLab	oklab(72.44% -0.0636 -0.0869)
OKLCH	oklch(72.44% 0.108 233.8)
XYZ	xyz(33.1561, 38.8926, 75.5574)
Luminance	0.3890 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#59B1DF #DF8759

analogous

#59DFCA #59B1DF #596EDF

triadic

#59B1DF #DF59B1 #B1DF59

tetradic

#59B1DF #CA59DF #DF8759 #6EDF59

square

#59B1DF #CA59DF #DF8759 #6EDF59

split-complementary

#59B1DF #DF596E #DFCA59

monochromatic

#1F739F #2998D2 #59B1DF #8CC9E9 #C0E1F3

Accessibility & contrast

On white

2.39

#59B1DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.78

#59B1DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #59B1DF

8.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##59B1DF	#FFFFFF	#000000	##000000
##59B1DF	1.00	2.39	8.78	8.78
#FFFFFF	2.39	1.00	21.00	21.00
#000000	8.78	21.00	1.00	1.00
##000000	8.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9BAFE1

Deuteranopia (green-blind)

#88A1DE

Tritanopia (blue-blind)

#00BDC0

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #59b1df;
/* rgb */ color: rgb(89, 177, 223);
/* oklch */ color: oklch(72.4% 0.108 233.8);

Tailwind

colors: {
  custom: {
    50: '#93c8e9',
    500: '#59b1df',
    950: '#000000',
  },
}

SCSS

$custom: #59b1df;
$custom-light: #93c8e9;
$custom-dark: #000000;

JSON

{
  "hex": "#59b1df",
  "rgb": {
    "r": 89,
    "g": 177,
    "b": 223
  },
  "hsl": {
    "h": 200.597,
    "s": 67.677,
    "l": 61.176
  },
  "oklch": {
    "l": 0.72435,
    "c": 0.10772,
    "h": 233.8
  },
  "luminance": 0.38896
}

Semantic roles & 50–950 ramp

primary

#59B1DF

secondary

#E3C2B1

accent

#5616D0

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #59B1DF

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

Preview Lab → · Contrast checker → · Palette generator →