#5991F8#5991F8

#5991F8 is a light, vivid blue. Relative luminance 0.292; OKLCH L 66.7% C 0.164 H 261.5°. Best body text is #000000 at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#5991F8
RGB	rgb(89, 145, 248)
HSL	hsl(219, 92%, 66%)
HSV	hsv(219, 64%, 97%)
CMYK	cmyk(64.1%, 41.5%, 0%, 2.7%)
CIE-LAB	lab(60.91, 13.33, -57.00)
CIE-LCH	lch(60.91, 58.53, 283.16°)
OKLab	oklab(66.73% -0.0242 -0.1625)
OKLCH	oklch(66.73% 0.164 261.5)
XYZ	xyz(31.1825, 29.1490, 92.7717)
Luminance	0.2915 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5991F8 #F8C059

analogous

#59E0F8 #5991F8 #7059F8

triadic

#5991F8 #F85991 #91F859

tetradic

#5991F8 #F859E0 #F8C059 #59F870

square

#5991F8 #F859E0 #F8C059 #59F870

split-complementary

#5991F8 #F87059 #E0F859

monochromatic

#094ECE #1E6AF6 #5991F8 #94B8FA #CEDFFD

Accessibility & contrast

On white

3.07

#5991F8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.83

#5991F8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5991F8

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5991F8	#FFFFFF	#000000	##000000
##5991F8	1.00	3.07	6.83	6.83
#FFFFFF	3.07	1.00	21.00	21.00
#000000	6.83	21.00	1.00	1.00
##000000	6.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#629BFC

Deuteranopia (green-blind)

#498CF6

Tritanopia (blue-blind)

#00A9B8

Achromatopsia (no color)

#939393

Design tokens & code

CSS

--color: #5991f8;
/* rgb */ color: rgb(89, 145, 248);
/* oklch */ color: oklch(66.7% 0.164 261.5);

Tailwind

colors: {
  custom: {
    50: '#96b0fb',
    500: '#5991f8',
    950: '#000000',
  },
}

SCSS

$custom: #5991f8;
$custom-light: #96b0fb;
$custom-dark: #000000;

JSON

{
  "hex": "#5991f8",
  "rgb": {
    "r": 89,
    "g": 145,
    "b": 248
  },
  "hsl": {
    "h": 218.868,
    "s": 91.908,
    "l": 66.078
  },
  "oklch": {
    "l": 0.66727,
    "c": 0.16433,
    "h": 261.5
  },
  "luminance": 0.29152
}

Semantic roles & 50–950 ramp

primary

#5991F8

secondary

#F1DEBC

accent

#9500E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0F1017

muted

#7E7F85

Preview Lab

Preview with #5991F8

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

Preview Lab → · Contrast checker → · Palette generator →