#5A91F9#5A91F9

#5A91F9 is a light, vivid blue. Relative luminance 0.293; OKLCH L 66.8% C 0.165 H 261.9°. Best body text is #000000 at 6.85:1 contrast (WCAG AA passes).

Color values

HEX	#5A91F9
RGB	rgb(90, 145, 249)
HSL	hsl(219, 93%, 66%)
HSV	hsv(219, 64%, 98%)
CMYK	cmyk(63.9%, 41.8%, 0%, 2.4%)
CIE-LAB	lab(61.01, 13.83, -57.39)
CIE-LCH	lch(61.01, 59.03, 283.55°)
OKLab	oklab(66.83% -0.0232 -0.1636)
OKLCH	oklch(66.83% 0.165 261.9)
XYZ	xyz(31.4347, 29.2610, 93.5955)
Luminance	0.2926 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A91F9 #F9C25A

analogous

#5AE1F9 #5A91F9 #735AF9

triadic

#5A91F9 #F95A91 #91F95A

tetradic

#5A91F9 #F95AE1 #F9C25A #5AF973

square

#5A91F9 #F95AE1 #F9C25A #5AF973

split-complementary

#5A91F9 #F9735A #E1F95A

monochromatic

#084DD1 #1F6AF7 #5A91F9 #95B8FB #D0E0FD

Accessibility & contrast

On white

3.06

#5A91F9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.85

#5A91F9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5A91F9

6.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A91F9	#FFFFFF	#000000	##000000
##5A91F9	1.00	3.06	6.85	6.85
#FFFFFF	3.06	1.00	21.00	21.00
#000000	6.85	21.00	1.00	1.00
##000000	6.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#619BFD

Deuteranopia (green-blind)

#488CF7

Tritanopia (blue-blind)

#00A9B9

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #5a91f9;
/* rgb */ color: rgb(90, 145, 249);
/* oklch */ color: oklch(66.8% 0.165 261.9);

Tailwind

colors: {
  custom: {
    50: '#97b0fc',
    500: '#5a91f9',
    950: '#000000',
  },
}

SCSS

$custom: #5a91f9;
$custom-light: #97b0fc;
$custom-dark: #000000;

JSON

{
  "hex": "#5a91f9",
  "rgb": {
    "r": 90,
    "g": 145,
    "b": 249
  },
  "hsl": {
    "h": 219.245,
    "s": 92.982,
    "l": 66.471
  },
  "oklch": {
    "l": 0.66833,
    "c": 0.16529,
    "h": 261.9
  },
  "luminance": 0.29264
}

Semantic roles & 50–950 ramp

primary

#5A91F9

secondary

#F1DFBE

accent

#9600E6

background

#FAFAFF

surface

#F3F4FF

border

#CDCED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #5A91F9

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

Preview Lab → · Contrast checker → · Palette generator →