#59B5DF#59B5DF

#59B5DF is a light, moderate cyan. Relative luminance 0.405; OKLCH L 73.3% C 0.106 H 230.3°. Best body text is #000000 at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#59B5DF
RGB	rgb(89, 181, 223)
HSL	hsl(199, 68%, 61%)
HSV	hsv(199, 60%, 87%)
CMYK	cmyk(60.1%, 18.8%, 0%, 12.5%)
CIE-LAB	lab(69.82, -15.13, -29.31)
CIE-LCH	lch(69.82, 32.98, 242.69°)
OKLab	oklab(73.35% -0.0679 -0.0818)
OKLCH	oklch(73.35% 0.106 230.3)
XYZ	xyz(33.9578, 40.4960, 75.8247)
Luminance	0.4050 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#59B5DF #DF8359

analogous

#59DFC6 #59B5DF #5972DF

triadic

#59B5DF #DF59B5 #B5DF59

tetradic

#59B5DF #C659DF #DF8359 #72DF59

square

#59B5DF #C659DF #DF8359 #72DF59

split-complementary

#59B5DF #DF5972 #DFC659

monochromatic

#1F779F #299DD2 #59B5DF #8CCCE9 #C0E3F3

Accessibility & contrast

On white

2.31

#59B5DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.10

#59B5DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #59B5DF

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##59B5DF	#FFFFFF	#000000	##000000
##59B5DF	1.00	2.31	9.10	9.10
#FFFFFF	2.31	1.00	21.00	21.00
#000000	9.10	21.00	1.00	1.00
##000000	9.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A0B2E1

Deuteranopia (green-blind)

#8DA4DE

Tritanopia (blue-blind)

#00C1C3

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #59b5df;
/* rgb */ color: rgb(89, 181, 223);
/* oklch */ color: oklch(73.3% 0.106 230.3);

Tailwind

colors: {
  custom: {
    50: '#93cbe9',
    500: '#59b5df',
    950: '#000000',
  },
}

SCSS

$custom: #59b5df;
$custom-light: #93cbe9;
$custom-dark: #000000;

JSON

{
  "hex": "#59b5df",
  "rgb": {
    "r": 89,
    "g": 181,
    "b": 223
  },
  "hsl": {
    "h": 198.806,
    "s": 67.677,
    "l": 61.176
  },
  "oklch": {
    "l": 0.73348,
    "c": 0.10632,
    "h": 230.3
  },
  "luminance": 0.40499
}

Semantic roles & 50–950 ramp

primary

#59B5DF

secondary

#E3C1B1

accent

#5016D0

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #59B5DF

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

Preview Lab → · Contrast checker → · Palette generator →