#599BCB#599BCB

#599BCB is a light, moderate cyan. Relative luminance 0.299; OKLCH L 66.5% C 0.099 H 241.9°. Best body text is #000000 at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#599BCB
RGB	rgb(89, 155, 203)
HSL	hsl(205, 52%, 57%)
HSV	hsv(205, 56%, 80%)
CMYK	cmyk(56.2%, 23.6%, 0%, 20.4%)
CIE-LAB	lab(61.55, -7.13, -31.04)
CIE-LCH	lch(61.55, 31.85, 257.06°)
OKLab	oklab(66.52% -0.0465 -0.0869)
OKLCH	oklch(66.52% 0.099 241.9)
XYZ	xyz(26.6167, 29.8760, 60.8523)
Luminance	0.2988 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#599BCB #CB8959

analogous

#59CBC2 #599BCB #5962CB

triadic

#599BCB #CB599B #9BCB59

tetradic

#599BCB #C259CB #CB8959 #62CB59

square

#599BCB #C259CB #CB8959 #62CB59

split-complementary

#599BCB #CB5962 #CBC259

monochromatic

#285C81 #377DB0 #599BCB #88B7DA #B6D3E8

Accessibility & contrast

On white

3.01

#599BCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.98

#599BCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #599BCB

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##599BCB	#FFFFFF	#000000	##000000
##599BCB	1.00	3.01	6.98	6.98
#FFFFFF	3.01	1.00	21.00	21.00
#000000	6.98	21.00	1.00	1.00
##000000	6.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#869BCD

Deuteranopia (green-blind)

#768FCA

Tritanopia (blue-blind)

#00A7AB

Achromatopsia (no color)

#959595

Design tokens & code

CSS

--color: #599bcb;
/* rgb */ color: rgb(89, 155, 203);
/* oklch */ color: oklch(66.5% 0.099 241.9);

Tailwind

colors: {
  custom: {
    50: '#90b8db',
    500: '#599bcb',
    950: '#000000',
  },
}

SCSS

$custom: #599bcb;
$custom-light: #90b8db;
$custom-dark: #000000;

JSON

{
  "hex": "#599bcb",
  "rgb": {
    "r": 89,
    "g": 155,
    "b": 203
  },
  "hsl": {
    "h": 205.263,
    "s": 52.294,
    "l": 57.255
  },
  "oklch": {
    "l": 0.66519,
    "c": 0.09853,
    "h": 241.9
  },
  "luminance": 0.29878
}

Semantic roles & 50–950 ramp

primary

#599BCB

secondary

#D7BCA9

accent

#894CDC

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #599BCB

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

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