#5A91CB#5A91CB

#5A91CB is a light, moderate cyan. Relative luminance 0.267; OKLCH L 64.3% C 0.105 H 250.9°. Best body text is #000000 at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#5A91CB
RGB	rgb(90, 145, 203)
HSL	hsl(211, 52%, 57%)
HSV	hsv(211, 56%, 80%)
CMYK	cmyk(55.7%, 28.6%, 0%, 20.4%)
CIE-LAB	lab(58.73, -1.24, -35.42)
CIE-LCH	lch(58.73, 35.45, 267.99°)
OKLab	oklab(64.31% -0.0344 -0.0996)
OKLCH	oklch(64.31% 0.105 250.9)
XYZ	xyz(25.1175, 26.7342, 60.3249)
Luminance	0.2674 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A91CB #CB945A

analogous

#5ACACB #5A91CB #5B5ACB

triadic

#5A91CB #CB5A91 #91CB5A

tetradic

#5A91CB #CB5ACA #CB945A #5ACB5B

square

#5A91CB #CB5ACA #CB945A #5ACB5B

split-complementary

#5A91CB #CB5B5A #CACB5A

monochromatic

#295482 #3872B0 #5A91CB #89B0DA #B7CFE8

Accessibility & contrast

On white

3.31

#5A91CB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.35

#5A91CB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5A91CB

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A91CB	#FFFFFF	#000000	##000000
##5A91CB	1.00	3.31	6.35	6.35
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.35	21.00	1.00	1.00
##000000	6.35	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: #5a91cb;
/* rgb */ color: rgb(90, 145, 203);
/* oklch */ color: oklch(64.3% 0.105 250.9);

Tailwind

colors: {
  custom: {
    50: '#90b1db',
    500: '#5a91cb',
    950: '#000000',
  },
}

SCSS

$custom: #5a91cb;
$custom-light: #90b1db;
$custom-dark: #000000;

JSON

{
  "hex": "#5a91cb",
  "rgb": {
    "r": 90,
    "g": 145,
    "b": 203
  },
  "hsl": {
    "h": 210.796,
    "s": 52.074,
    "l": 57.451
  },
  "oklch": {
    "l": 0.64309,
    "c": 0.10533,
    "h": 250.9
  },
  "luminance": 0.26736
}

Semantic roles & 50–950 ramp

primary

#5A91CB

secondary

#D7C1AA

accent

#964CDC

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #5A91CB

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

Preview Lab → · Contrast checker → · Palette generator →