#599FBC#599FBC

#599FBC is a light, moderate cyan. Relative luminance 0.306; OKLCH L 66.8% C 0.083 H 227.0°. Best body text is #000000 at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#599FBC
RGB	rgb(89, 159, 188)
HSL	hsl(198, 42%, 54%)
HSV	hsv(198, 53%, 74%)
CMYK	cmyk(52.7%, 15.4%, 0%, 26.3%)
CIE-LAB	lab(62.12, -13.88, -21.75)
CIE-LCH	lch(62.12, 25.80, 237.46°)
OKLab	oklab(66.78% -0.0564 -0.0604)
OKLCH	oklch(66.78% 0.083 227)
XYZ	xyz(25.5917, 30.5488, 52.1151)
Luminance	0.3055 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#599FBC #BC7659

analogous

#59BCA8 #599FBC #596EBC

triadic

#599FBC #BC599F #9FBC59

tetradic

#599FBC #A859BC #BC7659 #6EBC59

square

#599FBC #A859BC #BC7659 #6EBC59

split-complementary

#599FBC #BC596E #BCA859

monochromatic

#2C5B6E #3E7F9A #599FBC #85B8CE #B0D1DF

Accessibility & contrast

On white

2.95

#599FBC on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.11

#599FBC on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #599FBC

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##599FBC	#FFFFFF	#000000	##000000
##599FBC	1.00	2.95	7.11	7.11
#FFFFFF	2.95	1.00	21.00	21.00
#000000	7.11	21.00	1.00	1.00
##000000	7.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#909CBE

Deuteranopia (green-blind)

#8191BC

Tritanopia (blue-blind)

#18A8A8

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #599fbc;
/* rgb */ color: rgb(89, 159, 188);
/* oklch */ color: oklch(66.8% 0.083 227.0);

Tailwind

colors: {
  custom: {
    50: '#8fbbd0',
    500: '#599fbc',
    950: '#000000',
  },
}

SCSS

$custom: #599fbc;
$custom-light: #8fbbd0;
$custom-dark: #000000;

JSON

{
  "hex": "#599fbc",
  "rgb": {
    "r": 89,
    "g": 159,
    "b": 188
  },
  "hsl": {
    "h": 197.576,
    "s": 42.489,
    "l": 54.314
  },
  "oklch": {
    "l": 0.66784,
    "c": 0.0826,
    "h": 227
  },
  "luminance": 0.30551
}

Semantic roles & 50–950 ramp

primary

#599FBC

secondary

#CDB0A3

accent

#7A56D2

background

#F9FBFC

surface

#F1F6F9

border

#CBD0D2

text

#0D1114

muted

#7E8082

Preview Lab

Preview with #599FBC

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

Preview Lab → · Contrast checker → · Palette generator →