#5A91BB#5A91BB

#5A91BB is a light, moderate cyan. Relative luminance 0.260; OKLCH L 63.5% C 0.086 H 242.7°. Best body text is #000000 at 6.20:1 contrast (WCAG AA passes).

Color values

HEX	#5A91BB
RGB	rgb(90, 145, 187)
HSL	hsl(206, 42%, 54%)
HSV	hsv(206, 52%, 73%)
CMYK	cmyk(51.9%, 22.5%, 0%, 26.7%)
CIE-LAB	lab(58.05, -6.20, -27.45)
CIE-LCH	lch(58.05, 28.14, 257.26°)
OKLab	oklab(63.55% -0.0395 -0.0766)
OKLCH	oklch(63.55% 0.086 242.7)
XYZ	xyz(23.3083, 26.0105, 50.7963)
Luminance	0.2601 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A91BB #BB845A

analogous

#5ABBB4 #5A91BB #5A61BB

triadic

#5A91BB #BB5A91 #91BB5A

tetradic

#5A91BB #B45ABB #BB845A #61BB5A

square

#5A91BB #B45ABB #BB845A #61BB5A

split-complementary

#5A91BB #BB5A61 #BBB45A

monochromatic

#2D526D #3F7299 #5A91BB #85AECD #B1CBDF

Accessibility & contrast

On white

3.39

#5A91BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.20

#5A91BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5A91BB

6.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A91BB	#FFFFFF	#000000	##000000
##5A91BB	1.00	3.39	6.20	6.20
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.20	21.00	1.00	1.00
##000000	6.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F91BD

Deuteranopia (green-blind)

#7287BA

Tritanopia (blue-blind)

#249B9F

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #5a91bb;
/* rgb */ color: rgb(90, 145, 187);
/* oklch */ color: oklch(63.5% 0.086 242.7);

Tailwind

colors: {
  custom: {
    50: '#8fb1cf',
    500: '#5a91bb',
    950: '#000000',
  },
}

SCSS

$custom: #5a91bb;
$custom-light: #8fb1cf;
$custom-dark: #000000;

JSON

{
  "hex": "#5a91bb",
  "rgb": {
    "r": 90,
    "g": 145,
    "b": 187
  },
  "hsl": {
    "h": 205.979,
    "s": 41.631,
    "l": 54.314
  },
  "oklch": {
    "l": 0.63549,
    "c": 0.08619,
    "h": 242.7
  },
  "luminance": 0.26012
}

Semantic roles & 50–950 ramp

primary

#5A91BB

secondary

#CDB6A4

accent

#8C56D1

background

#F9FAFC

surface

#F1F4F9

border

#CBCED2

text

#0D1014

muted

#7E7F82

Preview Lab

Preview with #5A91BB

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

Preview Lab → · Contrast checker → · Palette generator →