#5A91FB#5A91FB

#5A91FB is a light, vivid blue. Relative luminance 0.294; OKLCH L 67.0% C 0.168 H 262.2°. Best body text is #000000 at 6.88:1 contrast (WCAG AA passes).

Color values

HEX	#5A91FB
RGB	rgb(90, 145, 251)
HSL	hsl(220, 95%, 67%)
HSV	hsv(220, 64%, 98%)
CMYK	cmyk(64.1%, 42.2%, 0%, 1.6%)
CIE-LAB	lab(61.12, 14.50, -58.31)
CIE-LCH	lch(61.12, 60.08, 283.97°)
OKLab	oklab(66.95% -0.0229 -0.1664)
OKLCH	oklch(66.95% 0.168 262.2)
XYZ	xyz(31.7483, 29.3865, 95.2471)
Luminance	0.2939 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A91FB #FBC45A

analogous

#5AE2FB #5A91FB #745AFB

triadic

#5A91FB #FB5A91 #91FB5A

tetradic

#5A91FB #FB5AE2 #FBC45A #5AFB74

square

#5A91FB #FB5AE2 #FBC45A #5AFB74

split-complementary

#5A91FB #FB745A #E2FB5A

monochromatic

#054CD5 #1E69FA #5A91FB #96B9FC #D2E1FE

Accessibility & contrast

On white

3.05

#5A91FB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.88

#5A91FB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5A91FB

6.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A91FB	#FFFFFF	#000000	##000000
##5A91FB	1.00	3.05	6.88	6.88
#FFFFFF	3.05	1.00	21.00	21.00
#000000	6.88	21.00	1.00	1.00
##000000	6.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#609BFF

Deuteranopia (green-blind)

#468DF9

Tritanopia (blue-blind)

#00A9BA

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #5a91fb;
/* rgb */ color: rgb(90, 145, 251);
/* oklch */ color: oklch(67.0% 0.168 262.2);

Tailwind

colors: {
  custom: {
    50: '#97b0fd',
    500: '#5a91fb',
    950: '#000000',
  },
}

SCSS

$custom: #5a91fb;
$custom-light: #97b0fd;
$custom-dark: #000000;

JSON

{
  "hex": "#5a91fb",
  "rgb": {
    "r": 90,
    "g": 145,
    "b": 251
  },
  "hsl": {
    "h": 219.503,
    "s": 95.266,
    "l": 66.863
  },
  "oklch": {
    "l": 0.66953,
    "c": 0.16792,
    "h": 262.2
  },
  "luminance": 0.29389
}

Semantic roles & 50–950 ramp

primary

#5A91FB

secondary

#F2E1BF

accent

#9700E6

background

#FAFAFF

surface

#F3F4FF

border

#CDCED7

text

#0F1018

muted

#7F7F86

Preview Lab

Preview with #5A91FB

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

Preview Lab → · Contrast checker → · Palette generator →