#599CCB#599CCB

#599CCB is a light, moderate cyan. Relative luminance 0.302; OKLCH L 66.7% C 0.098 H 240.9°. Best body text is #000000 at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#599CCB
RGB	rgb(89, 156, 203)
HSL	hsl(205, 52%, 57%)
HSV	hsv(205, 56%, 80%)
CMYK	cmyk(56.2%, 23.2%, 0%, 20.4%)
CIE-LAB	lab(61.84, -7.69, -30.59)
CIE-LCH	lch(61.84, 31.55, 255.89°)
OKLab	oklab(66.75% -0.0476 -0.0856)
OKLCH	oklch(66.75% 0.098 240.9)
XYZ	xyz(26.7838, 30.2102, 60.9080)
Luminance	0.3021 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#599CCB #CB8859

analogous

#59CBC1 #599CCB #5963CB

triadic

#599CCB #CB599C #9CCB59

tetradic

#599CCB #C159CB #CB8859 #63CB59

square

#599CCB #C159CB #CB8859 #63CB59

split-complementary

#599CCB #CB5963 #CBC159

monochromatic

#285D81 #377EB0 #599CCB #88B8DA #B6D4E8

Accessibility & contrast

On white

2.98

#599CCB on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.04

#599CCB on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #599CCB

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##599CCB	#FFFFFF	#000000	##000000
##599CCB	1.00	2.98	7.04	7.04
#FFFFFF	2.98	1.00	21.00	21.00
#000000	7.04	21.00	1.00	1.00
##000000	7.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#879CCD

Deuteranopia (green-blind)

#7890CA

Tritanopia (blue-blind)

#00A8AC

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #599ccb;
/* rgb */ color: rgb(89, 156, 203);
/* oklch */ color: oklch(66.7% 0.098 240.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#599ccb",
  "rgb": {
    "r": 89,
    "g": 156,
    "b": 203
  },
  "hsl": {
    "h": 204.737,
    "s": 52.294,
    "l": 57.255
  },
  "oklch": {
    "l": 0.66747,
    "c": 0.09793,
    "h": 240.9
  },
  "luminance": 0.30213
}

Semantic roles & 50–950 ramp

primary

#599CCB

secondary

#D7BCA9

accent

#874CDC

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #599CCB

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

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