#599DCB#599DCB

#599DCB is a light, moderate cyan. Relative luminance 0.305; OKLCH L 67.0% C 0.097 H 240.0°. Best body text is #000000 at 7.11:1 contrast (WCAG AA passes).

Color values

HEX	#599DCB
RGB	rgb(89, 157, 203)
HSL	hsl(204, 52%, 57%)
HSV	hsv(204, 56%, 80%)
CMYK	cmyk(56.2%, 22.7%, 0%, 20.4%)
CIE-LAB	lab(62.12, -8.25, -30.15)
CIE-LCH	lch(62.12, 31.25, 254.70°)
OKLab	oklab(66.97% -0.0487 -0.0843)
OKLCH	oklch(66.97% 0.097 240)
XYZ	xyz(26.9523, 30.5472, 60.9642)
Luminance	0.3055 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#599DCB #CB8759

analogous

#59CBC0 #599DCB #5964CB

triadic

#599DCB #CB599D #9DCB59

tetradic

#599DCB #C059CB #CB8759 #64CB59

square

#599DCB #C059CB #CB8759 #64CB59

split-complementary

#599DCB #CB5964 #CBC059

monochromatic

#285D81 #377FB0 #599DCB #88B9DA #B6D4E8

Accessibility & contrast

On white

2.95

#599DCB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.11

#599DCB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #599DCB

7.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##599DCB	#FFFFFF	#000000	##000000
##599DCB	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)

#889DCD

Deuteranopia (green-blind)

#7991CA

Tritanopia (blue-blind)

#00A8AC

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #599dcb;
/* rgb */ color: rgb(89, 157, 203);
/* oklch */ color: oklch(67.0% 0.097 240.0);

Tailwind

colors: {
  custom: {
    50: '#90b9db',
    500: '#599dcb',
    950: '#000000',
  },
}

SCSS

$custom: #599dcb;
$custom-light: #90b9db;
$custom-dark: #000000;

JSON

{
  "hex": "#599dcb",
  "rgb": {
    "r": 89,
    "g": 157,
    "b": 203
  },
  "hsl": {
    "h": 204.211,
    "s": 52.294,
    "l": 57.255
  },
  "oklch": {
    "l": 0.66975,
    "c": 0.09737,
    "h": 240
  },
  "luminance": 0.3055
}

Semantic roles & 50–950 ramp

primary

#599DCB

secondary

#D7BBA9

accent

#864CDC

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #599DCB

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

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