#5A91EB#5A91EB

#5A91EB is a light, vivid blue. Relative luminance 0.284; OKLCH L 66.0% C 0.147 H 259.8°. Best body text is #000000 at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#5A91EB
RGB	rgb(90, 145, 235)
HSL	hsl(217, 78%, 64%)
HSV	hsv(217, 62%, 92%)
CMYK	cmyk(61.7%, 38.3%, 0%, 7.8%)
CIE-LAB	lab(60.27, 9.15, -50.85)
CIE-LCH	lch(60.27, 51.67, 280.20°)
OKLab	oklab(66.01% -0.0261 -0.1445)
OKLCH	oklch(66.01% 0.147 259.8)
XYZ	xyz(29.3320, 28.4199, 82.5210)
Luminance	0.2842 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A91EB #EBB45A

analogous

#5ADAEB #5A91EB #6B5AEB

triadic

#5A91EB #EB5A91 #91EB5A

tetradic

#5A91EB #EB5ADA #EBB45A #5AEB6B

square

#5A91EB #EB5ADA #EBB45A #5AEB6B

split-complementary

#5A91EB #EB6B5A #DAEB5A

monochromatic

#1652B5 #236DE4 #5A91EB #91B5F2 #C7DAF8

Accessibility & contrast

On white

3.14

#5A91EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.68

#5A91EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5A91EB

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A91EB	#FFFFFF	#000000	##000000
##5A91EB	1.00	3.14	6.68	6.68
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.68	21.00	1.00	1.00
##000000	6.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A99EF

Deuteranopia (green-blind)

#558BE9

Tritanopia (blue-blind)

#00A5B3

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #5a91eb;
/* rgb */ color: rgb(90, 145, 235);
/* oklch */ color: oklch(66.0% 0.147 259.8);

Tailwind

colors: {
  custom: {
    50: '#95b0f2',
    500: '#5a91eb',
    950: '#000000',
  },
}

SCSS

$custom: #5a91eb;
$custom-light: #95b0f2;
$custom-dark: #000000;

JSON

{
  "hex": "#5a91eb",
  "rgb": {
    "r": 90,
    "g": 145,
    "b": 235
  },
  "hsl": {
    "h": 217.241,
    "s": 78.378,
    "l": 63.725
  },
  "oklch": {
    "l": 0.66014,
    "c": 0.14683,
    "h": 259.8
  },
  "luminance": 0.28423
}

Semantic roles & 50–950 ramp

primary

#5A91EB

secondary

#EAD7B7

accent

#8C0BDB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5A91EB

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

Preview Lab → · Contrast checker → · Palette generator →