#59B0CB#59B0CB

#59B0CB is a light, moderate cyan. Relative luminance 0.375; OKLCH L 71.4% C 0.092 H 220.7°. Best body text is #000000 at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#59B0CB
RGB	rgb(89, 176, 203)
HSL	hsl(194, 52%, 57%)
HSV	hsv(194, 56%, 80%)
CMYK	cmyk(56.2%, 13.3%, 0%, 20.4%)
CIE-LAB	lab(67.64, -18.49, -21.67)
CIE-LCH	lch(67.64, 28.49, 229.53°)
OKLab	oklab(71.36% -0.0699 -0.0602)
OKLCH	oklch(71.36% 0.092 220.7)
XYZ	xyz(30.4204, 37.4835, 62.1202)
Luminance	0.3749 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#59B0CB #CB7459

analogous

#59CBAD #59B0CB #5977CB

triadic

#59B0CB #CB59B0 #B0CB59

tetradic

#59B0CB #AD59CB #CB7459 #77CB59

square

#59B0CB #AD59CB #CB7459 #77CB59

split-complementary

#59B0CB #CB5977 #CBAD59

monochromatic

#286C81 #3793B0 #59B0CB #88C6DA #B6DCE8

Accessibility & contrast

On white

2.47

#59B0CB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.50

#59B0CB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #59B0CB

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##59B0CB	#FFFFFF	#000000	##000000
##59B0CB	1.00	2.47	8.50	8.50
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.50	21.00	1.00	1.00
##000000	8.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0ACCC

Deuteranopia (green-blind)

#8F9FCB

Tritanopia (blue-blind)

#00B9B8

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #59b0cb;
/* rgb */ color: rgb(89, 176, 203);
/* oklch */ color: oklch(71.4% 0.092 220.7);

Tailwind

colors: {
  custom: {
    50: '#91c7da',
    500: '#59b0cb',
    950: '#000000',
  },
}

SCSS

$custom: #59b0cb;
$custom-light: #91c7da;
$custom-dark: #000000;

JSON

{
  "hex": "#59b0cb",
  "rgb": {
    "r": 89,
    "g": 176,
    "b": 203
  },
  "hsl": {
    "h": 194.211,
    "s": 52.294,
    "l": 57.255
  },
  "oklch": {
    "l": 0.71363,
    "c": 0.09221,
    "h": 220.7
  },
  "luminance": 0.37486
}

Semantic roles & 50–950 ramp

primary

#59B0CB

secondary

#D7B4A9

accent

#6E4CDC

background

#F9FCFD

surface

#F2F8FA

border

#CCD1D3

text

#0E1315

muted

#7E8283

Preview Lab

Preview with #59B0CB

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

Preview Lab → · Contrast checker → · Palette generator →