#5991CB#5991CB

#5991CB is a light, moderate cyan. Relative luminance 0.267; OKLCH L 64.3% C 0.106 H 250.6°. Best body text is #000000 at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#5991CB
RGB	rgb(89, 145, 203)
HSL	hsl(211, 52%, 57%)
HSV	hsv(211, 56%, 80%)
CMYK	cmyk(56.2%, 28.6%, 0%, 20.4%)
CIE-LAB	lab(58.68, -1.45, -35.50)
CIE-LCH	lch(58.68, 35.53, 267.66°)
OKLab	oklab(64.26% -0.0352 -0.0998)
OKLCH	oklch(64.26% 0.106 250.6)
XYZ	xyz(25.0209, 26.6843, 60.3204)
Luminance	0.2669 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5991CB #CB9359

analogous

#59CACB #5991CB #5A59CB

triadic

#5991CB #CB5991 #91CB59

tetradic

#5991CB #CB59CA #CB9359 #59CB5A

square

#5991CB #CB59CA #CB9359 #59CB5A

split-complementary

#5991CB #CB5A59 #CACB59

monochromatic

#285481 #3772B0 #5991CB #88B0DA #B6CFE8

Accessibility & contrast

On white

3.31

#5991CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.34

#5991CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5991CB

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5991CB	#FFFFFF	#000000	##000000
##5991CB	1.00	3.31	6.34	6.34
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.34	21.00	1.00	1.00
##000000	6.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7993CE

Deuteranopia (green-blind)

#6A88CA

Tritanopia (blue-blind)

#009EA5

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #5991cb;
/* rgb */ color: rgb(89, 145, 203);
/* oklch */ color: oklch(64.3% 0.106 250.6);

Tailwind

colors: {
  custom: {
    50: '#90b1db',
    500: '#5991cb',
    950: '#000000',
  },
}

SCSS

$custom: #5991cb;
$custom-light: #90b1db;
$custom-dark: #000000;

JSON

{
  "hex": "#5991cb",
  "rgb": {
    "r": 89,
    "g": 145,
    "b": 203
  },
  "hsl": {
    "h": 210.526,
    "s": 52.294,
    "l": 57.255
  },
  "oklch": {
    "l": 0.6426,
    "c": 0.10582,
    "h": 250.6
  },
  "luminance": 0.26686
}

Semantic roles & 50–950 ramp

primary

#5991CB

secondary

#D7C0A9

accent

#954CDC

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #5991CB

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

Preview Lab → · Contrast checker → · Palette generator →