#5D91EB#5D91EB

#5D91EB is a light, vivid blue. Relative luminance 0.286; OKLCH L 66.2% C 0.146 H 260.7°. Best body text is #000000 at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#5D91EB
RGB	rgb(93, 145, 235)
HSL	hsl(218, 78%, 64%)
HSV	hsv(218, 60%, 92%)
CMYK	cmyk(60.4%, 38.3%, 0%, 7.8%)
CIE-LAB	lab(60.40, 9.70, -50.63)
CIE-LCH	lch(60.40, 51.55, 280.85°)
OKLab	oklab(66.16% -0.0236 -0.1438)
OKLCH	oklch(66.16% 0.146 260.7)
XYZ	xyz(29.6297, 28.5735, 82.5349)
Luminance	0.2858 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5D91EB #EBB75D

analogous

#5DD8EB #5D91EB #705DEB

triadic

#5D91EB #EB5D91 #91EB5D

tetradic

#5D91EB #EB5DD8 #EBB75D #5DEB70

square

#5D91EB #EB5DD8 #EBB75D #5DEB70

split-complementary

#5D91EB #EB705D #D8EB5D

monochromatic

#1751B7 #276CE4 #5D91EB #93B6F2 #CADBF8

Accessibility & contrast

On white

3.13

#5D91EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.72

#5D91EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5D91EB

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5D91EB	#FFFFFF	#000000	##000000
##5D91EB	1.00	3.13	6.72	6.72
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.72	21.00	1.00	1.00
##000000	6.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A99EF

Deuteranopia (green-blind)

#578CE9

Tritanopia (blue-blind)

#00A5B3

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #5d91eb;
/* rgb */ color: rgb(93, 145, 235);
/* oklch */ color: oklch(66.2% 0.146 260.7);

Tailwind

colors: {
  custom: {
    50: '#96b0f2',
    500: '#5d91eb',
    950: '#000000',
  },
}

SCSS

$custom: #5d91eb;
$custom-light: #96b0f2;
$custom-dark: #000000;

JSON

{
  "hex": "#5d91eb",
  "rgb": {
    "r": 93,
    "g": 145,
    "b": 235
  },
  "hsl": {
    "h": 218.028,
    "s": 78.022,
    "l": 64.314
  },
  "oklch": {
    "l": 0.66158,
    "c": 0.14571,
    "h": 260.7
  },
  "luminance": 0.28576
}

Semantic roles & 50–950 ramp

primary

#5D91EB

secondary

#EBD8B9

accent

#8E0BDA

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5D91EB

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

Preview Lab → · Contrast checker → · Palette generator →