#5B8BE9#5B8BE9

#5B8BE9 is a light, vivid blue. Relative luminance 0.266; OKLCH L 64.7% C 0.150 H 262.5°. Best body text is #000000 at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#5B8BE9
RGB	rgb(91, 139, 233)
HSL	hsl(220, 76%, 64%)
HSV	hsv(220, 61%, 91%)
CMYK	cmyk(60.9%, 40.3%, 0%, 8.6%)
CIE-LAB	lab(58.57, 12.24, -52.43)
CIE-LCH	lch(58.57, 53.84, 283.14°)
OKLab	oklab(64.68% -0.0195 -0.1492)
OKLCH	oklch(64.68% 0.15 262.5)
XYZ	xyz(28.2499, 26.5701, 80.7148)
Luminance	0.2657 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B8BE9 #E9B95B

analogous

#5BD2E9 #5B8BE9 #725BE9

triadic

#5B8BE9 #E95B8B #8BE95B

tetradic

#5B8BE9 #E95BD2 #E9B95B #5BE972

square

#5B8BE9 #E95BD2 #E9B95B #5BE972

split-complementary

#5B8BE9 #E9725B #D2E95B

monochromatic

#184CB2 #2565E2 #5B8BE9 #91B1F0 #C7D7F7

Accessibility & contrast

On white

3.33

#5B8BE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.31

#5B8BE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8BE9

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B8BE9	#FFFFFF	#000000	##000000
##5B8BE9	1.00	3.33	6.31	6.31
#FFFFFF	3.33	1.00	21.00	21.00
#000000	6.31	21.00	1.00	1.00
##000000	6.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6194ED

Deuteranopia (green-blind)

#4D87E7

Tritanopia (blue-blind)

#00A0AF

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #5b8be9;
/* rgb */ color: rgb(91, 139, 233);
/* oklch */ color: oklch(64.7% 0.150 262.5);

Tailwind

colors: {
  custom: {
    50: '#95acf0',
    500: '#5b8be9',
    950: '#000000',
  },
}

SCSS

$custom: #5b8be9;
$custom-light: #95acf0;
$custom-dark: #000000;

JSON

{
  "hex": "#5b8be9",
  "rgb": {
    "r": 91,
    "g": 139,
    "b": 233
  },
  "hsl": {
    "h": 219.718,
    "s": 76.344,
    "l": 63.529
  },
  "oklch": {
    "l": 0.64682,
    "c": 0.15045,
    "h": 262.5
  },
  "luminance": 0.26573
}

Semantic roles & 50–950 ramp

primary

#5B8BE9

secondary

#E9D8B7

accent

#940DD9

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5B8BE9

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

Preview Lab → · Contrast checker → · Palette generator →