#5991E8#5991E8

#5991E8 is a light, vivid blue. Relative luminance 0.282; OKLCH L 65.8% C 0.143 H 258.9°. Best body text is #000000 at 6.64:1 contrast (WCAG AA passes).

Color values

HEX	#5991E8
RGB	rgb(89, 145, 232)
HSL	hsl(217, 76%, 63%)
HSV	hsv(217, 62%, 91%)
CMYK	cmyk(61.6%, 37.5%, 0%, 9%)
CIE-LAB	lab(60.07, 7.98, -49.51)
CIE-LCH	lch(60.07, 50.15, 279.15°)
OKLab	oklab(65.8% -0.0276 -0.1406)
OKLCH	oklch(65.8% 0.143 258.9)
XYZ	xyz(28.8056, 28.1982, 80.2531)
Luminance	0.2820 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5991E8 #E8B059

analogous

#59D9E8 #5991E8 #6859E8

triadic

#5991E8 #E85991 #91E859

tetradic

#5991E8 #E859D9 #E8B059 #59E868

square

#5991E8 #E859D9 #E8B059 #59E868

split-complementary

#5991E8 #E86859 #D9E859

monochromatic

#1853AE #236DE1 #5991E8 #8FB5EF #C5D8F7

Accessibility & contrast

On white

3.16

#5991E8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.64

#5991E8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5991E8

6.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5991E8	#FFFFFF	#000000	##000000
##5991E8	1.00	3.16	6.64	6.64
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.64	21.00	1.00	1.00
##000000	6.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B98EC

Deuteranopia (green-blind)

#578BE6

Tritanopia (blue-blind)

#00A5B1

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #5991e8;
/* rgb */ color: rgb(89, 145, 232);
/* oklch */ color: oklch(65.8% 0.143 258.9);

Tailwind

colors: {
  custom: {
    50: '#94b0f0',
    500: '#5991e8',
    950: '#000000',
  },
}

SCSS

$custom: #5991e8;
$custom-light: #94b0f0;
$custom-dark: #000000;

JSON

{
  "hex": "#5991e8",
  "rgb": {
    "r": 89,
    "g": 145,
    "b": 232
  },
  "hsl": {
    "h": 216.503,
    "s": 75.661,
    "l": 62.941
  },
  "oklch": {
    "l": 0.65797,
    "c": 0.14327,
    "h": 258.9
  },
  "luminance": 0.28201
}

Semantic roles & 50–950 ramp

primary

#5991E8

secondary

#E8D4B5

accent

#890ED8

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #5991E8

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

Preview Lab → · Contrast checker → · Palette generator →