#5A91CF#5A91CF

#5A91CF is a light, moderate cyan. Relative luminance 0.269; OKLCH L 64.5% C 0.110 H 252.5°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#5A91CF
RGB	rgb(90, 145, 207)
HSL	hsl(212, 55%, 58%)
HSV	hsv(212, 57%, 81%)
CMYK	cmyk(56.5%, 30%, 0%, 18.8%)
CIE-LAB	lab(58.91, 0.03, -37.39)
CIE-LCH	lch(58.91, 37.39, 270.04°)
OKLab	oklab(64.51% -0.0332 -0.1052)
OKLCH	oklch(64.51% 0.11 252.5)
XYZ	xyz(25.6003, 26.9273, 62.8678)
Luminance	0.2693 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A91CF #CF985A

analogous

#5ACBCF #5A91CF #5D5ACF

triadic

#5A91CF #CF5A91 #91CF5A

tetradic

#5A91CF #CF5ACB #CF985A #5ACF5D

square

#5A91CF #CF5ACB #CF985A #5ACF5D

split-complementary

#5A91CF #CF5D5A #CBCF5A

monochromatic

#275487 #3572B7 #5A91CF #89B1DD #B9D0EB

Accessibility & contrast

On white

3.29

#5A91CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#5A91CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5A91CF

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A91CF	#FFFFFF	#000000	##000000
##5A91CF	1.00	3.29	6.39	6.39
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.39	21.00	1.00	1.00
##000000	6.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7794D2

Deuteranopia (green-blind)

#6889CE

Tritanopia (blue-blind)

#009FA7

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #5a91cf;
/* rgb */ color: rgb(90, 145, 207);
/* oklch */ color: oklch(64.5% 0.110 252.5);

Tailwind

colors: {
  custom: {
    50: '#91b1de',
    500: '#5a91cf',
    950: '#000000',
  },
}

SCSS

$custom: #5a91cf;
$custom-light: #91b1de;
$custom-dark: #000000;

JSON

{
  "hex": "#5a91cf",
  "rgb": {
    "r": 90,
    "g": 145,
    "b": 207
  },
  "hsl": {
    "h": 211.795,
    "s": 54.93,
    "l": 58.235
  },
  "oklch": {
    "l": 0.64509,
    "c": 0.11036,
    "h": 252.5
  },
  "luminance": 0.26929
}

Semantic roles & 50–950 ramp

primary

#5A91CF

secondary

#DAC4AB

accent

#984ADE

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #5A91CF

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

Preview Lab → · Contrast checker → · Palette generator →