#5999CC#5999CC

#5999CC is a light, moderate cyan. Relative luminance 0.293; OKLCH L 66.1% C 0.101 H 244.2°. Best body text is #000000 at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#5999CC
RGB	rgb(89, 153, 204)
HSL	hsl(207, 53%, 57%)
HSV	hsv(207, 56%, 80%)
CMYK	cmyk(56.4%, 25%, 0%, 20%)
CIE-LAB	lab(61.01, -5.70, -32.43)
CIE-LCH	lch(61.01, 32.92, 260.03°)
OKLab	oklab(66.11% -0.0439 -0.0909)
OKLCH	oklch(66.11% 0.101 244.2)
XYZ	xyz(26.4062, 29.2636, 61.3719)
Luminance	0.2927 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5999CC #CC8C59

analogous

#59CCC6 #5999CC #595FCC

triadic

#5999CC #CC5999 #99CC59

tetradic

#5999CC #C659CC #CC8C59 #5FCC59

square

#5999CC #C659CC #CC8C59 #5FCC59

split-complementary

#5999CC #CC595F #CCC659

monochromatic

#285A83 #367BB1 #5999CC #88B6DA #B7D3E9

Accessibility & contrast

On white

3.06

#5999CC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.85

#5999CC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5999CC

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5999CC	#FFFFFF	#000000	##000000
##5999CC	1.00	3.06	6.85	6.85
#FFFFFF	3.06	1.00	21.00	21.00
#000000	6.85	21.00	1.00	1.00
##000000	6.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#839ACE

Deuteranopia (green-blind)

#748ECB

Tritanopia (blue-blind)

#00A5AA

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #5999cc;
/* rgb */ color: rgb(89, 153, 204);
/* oklch */ color: oklch(66.1% 0.101 244.2);

Tailwind

colors: {
  custom: {
    50: '#90b6db',
    500: '#5999cc',
    950: '#000000',
  },
}

SCSS

$custom: #5999cc;
$custom-light: #90b6db;
$custom-dark: #000000;

JSON

{
  "hex": "#5999cc",
  "rgb": {
    "r": 89,
    "g": 153,
    "b": 204
  },
  "hsl": {
    "h": 206.609,
    "s": 52.995,
    "l": 57.451
  },
  "oklch": {
    "l": 0.66111,
    "c": 0.10092,
    "h": 244.2
  },
  "luminance": 0.29266
}

Semantic roles & 50–950 ramp

primary

#5999CC

secondary

#D8BEA9

accent

#8C4BDC

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #5999CC

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

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