#5899CB#5899CB

#5899CB is a light, moderate cyan. Relative luminance 0.292; OKLCH L 66.0% C 0.100 H 243.4°. Best body text is #000000 at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#5899CB
RGB	rgb(88, 153, 203)
HSL	hsl(206, 53%, 57%)
HSV	hsv(206, 57%, 80%)
CMYK	cmyk(56.7%, 24.6%, 0%, 20.4%)
CIE-LAB	lab(60.93, -6.22, -32.00)
CIE-LCH	lch(60.93, 32.60, 259.00°)
OKLab	oklab(66.02% -0.045 -0.0897)
OKLCH	oklch(66.02% 0.1 243.4)
XYZ	xyz(26.1913, 29.1667, 60.7378)
Luminance	0.2917 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5899CB #CB8A58

analogous

#58CBC3 #5899CB #5860CB

triadic

#5899CB #CB5899 #99CB58

tetradic

#5899CB #C358CB #CB8A58 #60CB58

square

#5899CB #C358CB #CB8A58 #60CB58

split-complementary

#5899CB #CB5860 #CBC358

monochromatic

#285A81 #377BAF #5899CB #87B6DA #B5D2E8

Accessibility & contrast

On white

3.07

#5899CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.83

#5899CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5899CB

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5899CB	#FFFFFF	#000000	##000000
##5899CB	1.00	3.07	6.83	6.83
#FFFFFF	3.07	1.00	21.00	21.00
#000000	6.83	21.00	1.00	1.00
##000000	6.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#839ACD

Deuteranopia (green-blind)

#748ECA

Tritanopia (blue-blind)

#00A5AA

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #5899cb;
/* rgb */ color: rgb(88, 153, 203);
/* oklch */ color: oklch(66.0% 0.100 243.4);

Tailwind

colors: {
  custom: {
    50: '#90b6db',
    500: '#5899cb',
    950: '#000000',
  },
}

SCSS

$custom: #5899cb;
$custom-light: #90b6db;
$custom-dark: #000000;

JSON

{
  "hex": "#5899cb",
  "rgb": {
    "r": 88,
    "g": 153,
    "b": 203
  },
  "hsl": {
    "h": 206.087,
    "s": 52.511,
    "l": 57.059
  },
  "oklch": {
    "l": 0.66018,
    "c": 0.10033,
    "h": 243.4
  },
  "luminance": 0.29169
}

Semantic roles & 50–950 ramp

primary

#5899CB

secondary

#D7BCA8

accent

#8B4CDC

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #5899CB

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

Preview Lab → · Contrast checker → · Palette generator →