#5A91F3#5A91F3

#5A91F3 is a light, vivid blue. Relative luminance 0.289; OKLCH L 66.5% C 0.157 H 261.1°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#5A91F3
RGB	rgb(90, 145, 243)
HSL	hsl(218, 86%, 65%)
HSV	hsv(218, 63%, 95%)
CMYK	cmyk(63%, 40.3%, 0%, 4.7%)
CIE-LAB	lab(60.69, 11.82, -54.60)
CIE-LCH	lch(60.69, 55.87, 282.21°)
OKLab	oklab(66.48% -0.0244 -0.1555)
OKLCH	oklch(66.48% 0.157 261.1)
XYZ	xyz(30.5138, 28.8927, 88.7454)
Luminance	0.2890 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A91F3 #F3BC5A

analogous

#5ADEF3 #5A91F3 #6F5AF3

triadic

#5A91F3 #F35A91 #91F35A

tetradic

#5A91F3 #F35ADE #F3BC5A #5AF36F

square

#5A91F3 #F35ADE #F3BC5A #5AF36F

split-complementary

#5A91F3 #F36F5A #DEF35A

monochromatic

#0E50C4 #216BEF #5A91F3 #93B7F7 #CCDDFB

Accessibility & contrast

On white

3.10

#5A91F3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.78

#5A91F3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5A91F3

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A91F3	#FFFFFF	#000000	##000000
##5A91F3	1.00	3.10	6.78	6.78
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.78	21.00	1.00	1.00
##000000	6.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#659AF7

Deuteranopia (green-blind)

#4E8CF1

Tritanopia (blue-blind)

#00A7B6

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #5a91f3;
/* rgb */ color: rgb(90, 145, 243);
/* oklch */ color: oklch(66.5% 0.157 261.1);

Tailwind

colors: {
  custom: {
    50: '#96b0f7',
    500: '#5a91f3',
    950: '#000000',
  },
}

SCSS

$custom: #5a91f3;
$custom-light: #96b0f7;
$custom-dark: #000000;

JSON

{
  "hex": "#5a91f3",
  "rgb": {
    "r": 90,
    "g": 145,
    "b": 243
  },
  "hsl": {
    "h": 218.431,
    "s": 86.441,
    "l": 65.294
  },
  "oklch": {
    "l": 0.66477,
    "c": 0.15739,
    "h": 261.1
  },
  "luminance": 0.28896
}

Semantic roles & 50–950 ramp

primary

#5A91F3

secondary

#EEDCBB

accent

#9203E3

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0F1017

muted

#7E7F85

Preview Lab

Preview with #5A91F3

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

Preview Lab → · Contrast checker → · Palette generator →