#5991EA#5991EA

#5991EA is a light, vivid blue. Relative luminance 0.283; OKLCH L 65.9% C 0.146 H 259.3°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#5991EA
RGB	rgb(89, 145, 234)
HSL	hsl(217, 78%, 63%)
HSV	hsv(217, 62%, 92%)
CMYK	cmyk(62%, 38%, 0%, 8.2%)
CIE-LAB	lab(60.17, 8.64, -50.46)
CIE-LCH	lch(60.17, 51.19, 279.72°)
OKLab	oklab(65.91% -0.0271 -0.1433)
OKLCH	oklch(65.91% 0.146 259.3)
XYZ	xyz(29.0912, 28.3125, 81.7577)
Luminance	0.2832 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5991EA #EAB259

analogous

#59D9EA #5991EA #6959EA

triadic

#5991EA #EA5991 #91EA59

tetradic

#5991EA #EA59D9 #EAB259 #59EA69

square

#5991EA #EA59D9 #EAB259 #59EA69

split-complementary

#5991EA #EA6959 #D9EA59

monochromatic

#1753B2 #236DE3 #5991EA #8FB5F1 #C6D9F8

Accessibility & contrast

On white

3.15

#5991EA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.66

#5991EA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5991EA

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5991EA	#FFFFFF	#000000	##000000
##5991EA	1.00	3.15	6.66	6.66
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.66	21.00	1.00	1.00
##000000	6.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A98EE

Deuteranopia (green-blind)

#568BE8

Tritanopia (blue-blind)

#00A5B2

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #5991ea;
/* rgb */ color: rgb(89, 145, 234);
/* oklch */ color: oklch(65.9% 0.146 259.3);

Tailwind

colors: {
  custom: {
    50: '#94b0f1',
    500: '#5991ea',
    950: '#000000',
  },
}

SCSS

$custom: #5991ea;
$custom-light: #94b0f1;
$custom-dark: #000000;

JSON

{
  "hex": "#5991ea",
  "rgb": {
    "r": 89,
    "g": 145,
    "b": 234
  },
  "hsl": {
    "h": 216.828,
    "s": 77.54,
    "l": 63.333
  },
  "oklch": {
    "l": 0.6591,
    "c": 0.14589,
    "h": 259.3
  },
  "luminance": 0.28315
}

Semantic roles & 50–950 ramp

primary

#5991EA

secondary

#E9D5B6

accent

#8A0CDA

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5991EA

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

Preview Lab → · Contrast checker → · Palette generator →