#599EC9#599EC9

#599EC9 is a light, moderate cyan. Relative luminance 0.308; OKLCH L 67.1% C 0.095 H 237.8°. Best body text is #000000 at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#599EC9
RGB	rgb(89, 158, 201)
HSL	hsl(203, 51%, 57%)
HSV	hsv(203, 56%, 79%)
CMYK	cmyk(55.7%, 21.4%, 0%, 21.2%)
CIE-LAB	lab(62.33, -9.42, -28.71)
CIE-LCH	lch(62.33, 30.21, 251.84°)
OKLab	oklab(67.11% -0.0505 -0.0802)
OKLCH	oklch(67.11% 0.095 237.8)
XYZ	xyz(26.8854, 30.7922, 59.7737)
Luminance	0.3080 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#599EC9 #C98459

analogous

#59C9BC #599EC9 #5966C9

triadic

#599EC9 #C9599E #9EC959

tetradic

#599EC9 #BC59C9 #C98459 #66C959

square

#599EC9 #BC59C9 #C98459 #66C959

split-complementary

#599EC9 #C95966 #C9BC59

monochromatic

#295E7E #3880AD #599EC9 #87B9D8 #B5D4E7

Accessibility & contrast

On white

2.93

#599EC9 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.16

#599EC9 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #599EC9

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##599EC9	#FFFFFF	#000000	##000000
##599EC9	1.00	2.93	7.16	7.16
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.16	21.00	1.00	1.00
##000000	7.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8A9DCB

Deuteranopia (green-blind)

#7B92C8

Tritanopia (blue-blind)

#00A9AC

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #599ec9;
/* rgb */ color: rgb(89, 158, 201);
/* oklch */ color: oklch(67.1% 0.095 237.8);

Tailwind

colors: {
  custom: {
    50: '#90bad9',
    500: '#599ec9',
    950: '#000000',
  },
}

SCSS

$custom: #599ec9;
$custom-light: #90bad9;
$custom-dark: #000000;

JSON

{
  "hex": "#599ec9",
  "rgb": {
    "r": 89,
    "g": 158,
    "b": 201
  },
  "hsl": {
    "h": 203.036,
    "s": 50.909,
    "l": 56.863
  },
  "oklch": {
    "l": 0.67113,
    "c": 0.09477,
    "h": 237.8
  },
  "luminance": 0.30795
}

Semantic roles & 50–950 ramp

primary

#599EC9

secondary

#D6BAA8

accent

#844DDA

background

#F9FBFD

surface

#F2F6FA

border

#CCD0D3

text

#0D1114

muted

#7E8083

Preview Lab

Preview with #599EC9

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

Preview Lab → · Contrast checker → · Palette generator →