#5B8EEB#5B8EEB

#5B8EEB is a light, vivid blue. Relative luminance 0.276; OKLCH L 65.4% C 0.150 H 261.5°. Best body text is #000000 at 6.51:1 contrast (WCAG AA passes).

Color values

HEX	#5B8EEB
RGB	rgb(91, 142, 235)
HSL	hsl(219, 78%, 64%)
HSV	hsv(219, 61%, 92%)
CMYK	cmyk(61.3%, 39.6%, 0%, 7.8%)
CIE-LAB	lab(59.49, 11.11, -52.08)
CIE-LCH	lch(59.49, 53.25, 282.05°)
OKLab	oklab(65.43% -0.0222 -0.1481)
OKLCH	oklch(65.43% 0.15 261.5)
XYZ	xyz(28.9775, 27.5657, 82.3748)
Luminance	0.2757 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B8EEB #EBB85B

analogous

#5BD6EB #5B8EEB #705BEB

triadic

#5B8EEB #EB5B8E #8EEB5B

tetradic

#5B8EEB #EB5BD6 #EBB85B #5BEB70

square

#5B8EEB #EB5BD6 #EBB85B #5BEB70

split-complementary

#5B8EEB #EB705B #D6EB5B

monochromatic

#164FB5 #2468E4 #5B8EEB #92B4F2 #C8D9F8

Accessibility & contrast

On white

3.22

#5B8EEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.51

#5B8EEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8EEB

6.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B8EEB	#FFFFFF	#000000	##000000
##5B8EEB	1.00	3.22	6.51	6.51
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.51	21.00	1.00	1.00
##000000	6.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6596EF

Deuteranopia (green-blind)

#5189E9

Tritanopia (blue-blind)

#00A3B1

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #5b8eeb;
/* rgb */ color: rgb(91, 142, 235);
/* oklch */ color: oklch(65.4% 0.150 261.5);

Tailwind

colors: {
  custom: {
    50: '#95aef2',
    500: '#5b8eeb',
    950: '#000000',
  },
}

SCSS

$custom: #5b8eeb;
$custom-light: #95aef2;
$custom-dark: #000000;

JSON

{
  "hex": "#5b8eeb",
  "rgb": {
    "r": 91,
    "g": 142,
    "b": 235
  },
  "hsl": {
    "h": 218.75,
    "s": 78.261,
    "l": 63.922
  },
  "oklch": {
    "l": 0.65428,
    "c": 0.14975,
    "h": 261.5
  },
  "luminance": 0.27568
}

Semantic roles & 50–950 ramp

primary

#5B8EEB

secondary

#EAD8B8

accent

#910BDB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5B8EEB

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

Preview Lab → · Contrast checker → · Palette generator →