#5A91F4#5A91F4

#5A91F4 is a light, vivid blue. Relative luminance 0.290; OKLCH L 66.5% C 0.159 H 261.2°. Best body text is #000000 at 6.79:1 contrast (WCAG AA passes).

Color values

HEX	#5A91F4
RGB	rgb(90, 145, 244)
HSL	hsl(219, 88%, 65%)
HSV	hsv(219, 63%, 96%)
CMYK	cmyk(63.1%, 40.6%, 0%, 4.3%)
CIE-LAB	lab(60.74, 12.15, -55.07)
CIE-LCH	lch(60.74, 56.39, 282.45°)
OKLab	oklab(66.54% -0.0242 -0.1568)
OKLCH	oklch(66.54% 0.159 261.2)
XYZ	xyz(30.6652, 28.9532, 89.5429)
Luminance	0.2896 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A91F4 #F4BD5A

analogous

#5ADEF4 #5A91F4 #705AF4

triadic

#5A91F4 #F45A91 #91F45A

tetradic

#5A91F4 #F45ADE #F4BD5A #5AF470

square

#5A91F4 #F45ADE #F4BD5A #5AF470

split-complementary

#5A91F4 #F4705A #DEF45A

monochromatic

#0D4FC6 #216BF0 #5A91F4 #93B7F8 #CDDDFC

Accessibility & contrast

On white

3.09

#5A91F4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.79

#5A91F4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5A91F4

6.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A91F4	#FFFFFF	#000000	##000000
##5A91F4	1.00	3.09	6.79	6.79
#FFFFFF	3.09	1.00	21.00	21.00
#000000	6.79	21.00	1.00	1.00
##000000	6.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#649AF8

Deuteranopia (green-blind)

#4D8CF2

Tritanopia (blue-blind)

#00A8B7

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #5a91f4;
/* rgb */ color: rgb(90, 145, 244);
/* oklch */ color: oklch(66.5% 0.159 261.2);

Tailwind

colors: {
  custom: {
    50: '#96b0f8',
    500: '#5a91f4',
    950: '#000000',
  },
}

SCSS

$custom: #5a91f4;
$custom-light: #96b0f8;
$custom-dark: #000000;

JSON

{
  "hex": "#5a91f4",
  "rgb": {
    "r": 90,
    "g": 145,
    "b": 244
  },
  "hsl": {
    "h": 218.571,
    "s": 87.5,
    "l": 65.49
  },
  "oklch": {
    "l": 0.66536,
    "c": 0.1587,
    "h": 261.2
  },
  "luminance": 0.28956
}

Semantic roles & 50–950 ramp

primary

#5A91F4

secondary

#EFDCBB

accent

#9301E4

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0F1017

muted

#7E7F85

Preview Lab

Preview with #5A91F4

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

Preview Lab → · Contrast checker → · Palette generator →