#5B8EE9#5B8EE9

#5B8EE9 is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.3% C 0.147 H 261.2°. Best body text is #000000 at 6.49:1 contrast (WCAG AA passes).

Color values

HEX	#5B8EE9
RGB	rgb(91, 142, 233)
HSL	hsl(218, 76%, 64%)
HSV	hsv(218, 61%, 91%)
CMYK	cmyk(60.9%, 39.1%, 0%, 8.6%)
CIE-LAB	lab(59.39, 10.45, -51.13)
CIE-LCH	lch(59.39, 52.19, 281.55°)
OKLab	oklab(65.31% -0.0226 -0.1453)
OKLCH	oklch(65.31% 0.147 261.2)
XYZ	xyz(28.6902, 27.4508, 80.8616)
Luminance	0.2745 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B8EE9 #E9B65B

analogous

#5BD5E9 #5B8EE9 #6F5BE9

triadic

#5B8EE9 #E95B8E #8EE95B

tetradic

#5B8EE9 #E95BD5 #E9B65B #5BE96F

square

#5B8EE9 #E95BD5 #E9B65B #5BE96F

split-complementary

#5B8EE9 #E96F5B #D5E95B

monochromatic

#184FB2 #2569E2 #5B8EE9 #91B3F0 #C7D8F7

Accessibility & contrast

On white

3.24

#5B8EE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.49

#5B8EE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8EE9

6.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B8EE9	#FFFFFF	#000000	##000000
##5B8EE9	1.00	3.24	6.49	6.49
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.49	21.00	1.00	1.00
##000000	6.49	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6696ED

Deuteranopia (green-blind)

#5389E7

Tritanopia (blue-blind)

#00A3B0

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #5b8ee9;
/* rgb */ color: rgb(91, 142, 233);
/* oklch */ color: oklch(65.3% 0.147 261.2);

Tailwind

colors: {
  custom: {
    50: '#95aef0',
    500: '#5b8ee9',
    950: '#000000',
  },
}

SCSS

$custom: #5b8ee9;
$custom-light: #95aef0;
$custom-dark: #000000;

JSON

{
  "hex": "#5b8ee9",
  "rgb": {
    "r": 91,
    "g": 142,
    "b": 233
  },
  "hsl": {
    "h": 218.451,
    "s": 76.344,
    "l": 63.529
  },
  "oklch": {
    "l": 0.65313,
    "c": 0.14709,
    "h": 261.2
  },
  "luminance": 0.27453
}

Semantic roles & 50–950 ramp

primary

#5B8EE9

secondary

#E9D7B7

accent

#8F0DD9

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5B8EE9

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

Preview Lab → · Contrast checker → · Palette generator →