#5D91FB#5D91FB

#5D91FB is a light, vivid blue. Relative luminance 0.295; OKLCH L 67.1% C 0.167 H 263.0°. Best body text is #000000 at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#5D91FB
RGB	rgb(93, 145, 251)
HSL	hsl(220, 95%, 67%)
HSV	hsv(220, 63%, 98%)
CMYK	cmyk(62.9%, 42.2%, 0%, 1.6%)
CIE-LAB	lab(61.26, 15.01, -58.09)
CIE-LCH	lch(61.26, 59.99, 284.48°)
OKLab	oklab(67.09% -0.0204 -0.1657)
OKLCH	oklch(67.09% 0.167 263)
XYZ	xyz(32.0461, 29.5400, 95.2611)
Luminance	0.2954 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5D91FB #FBC75D

analogous

#5DE0FB #5D91FB #785DFB

triadic

#5D91FB #FB5D91 #91FB5D

tetradic

#5D91FB #FB5DE0 #FBC75D #5DFB78

square

#5D91FB #FB5DE0 #FBC75D #5DFB78

split-complementary

#5D91FB #FB785D #E0FB5D

monochromatic

#054BD8 #2168FA #5D91FB #99BAFC #D4E2FE

Accessibility & contrast

On white

3.04

#5D91FB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.91

#5D91FB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5D91FB

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5D91FB	#FFFFFF	#000000	##000000
##5D91FB	1.00	3.04	6.91	6.91
#FFFFFF	3.04	1.00	21.00	21.00
#000000	6.91	21.00	1.00	1.00
##000000	6.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#609CFF

Deuteranopia (green-blind)

#488DF9

Tritanopia (blue-blind)

#00A9BA

Achromatopsia (no color)

#949494

Design tokens & code

CSS

--color: #5d91fb;
/* rgb */ color: rgb(93, 145, 251);
/* oklch */ color: oklch(67.1% 0.167 263.0);

Tailwind

colors: {
  custom: {
    50: '#99b0fd',
    500: '#5d91fb',
    950: '#000000',
  },
}

SCSS

$custom: #5d91fb;
$custom-light: #99b0fd;
$custom-dark: #000000;

JSON

{
  "hex": "#5d91fb",
  "rgb": {
    "r": 93,
    "g": 145,
    "b": 251
  },
  "hsl": {
    "h": 220.253,
    "s": 95.181,
    "l": 67.451
  },
  "oklch": {
    "l": 0.67093,
    "c": 0.16691,
    "h": 263
  },
  "luminance": 0.29543
}

Semantic roles & 50–950 ramp

primary

#5D91FB

secondary

#F3E2C1

accent

#9A00E6

background

#FAFAFF

surface

#F3F4FF

border

#CDCED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #5D91FB

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

Preview Lab → · Contrast checker → · Palette generator →