#5B8AEF#5B8AEF

#5B8AEF is a light, vivid blue. Relative luminance 0.266; OKLCH L 64.8% C 0.160 H 263.7°. Best body text is #000000 at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#5B8AEF
RGB	rgb(91, 138, 239)
HSL	hsl(221, 82%, 65%)
HSV	hsv(221, 62%, 94%)
CMYK	cmyk(61.9%, 42.3%, 0%, 6.3%)
CIE-LAB	lab(58.63, 14.84, -55.67)
CIE-LCH	lch(58.63, 57.61, 284.92°)
OKLab	oklab(64.83% -0.0174 -0.1587)
OKLCH	oklch(64.83% 0.16 263.7)
XYZ	xyz(28.9774, 26.6305, 85.2577)
Luminance	0.2663 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B8AEF #EFC05B

analogous

#5BD4EF #5B8AEF #765BEF

triadic

#5B8AEF #EF5B8A #8AEF5B

tetradic

#5B8AEF #EF5BD4 #EFC05B #5BEF76

square

#5B8AEF #EF5BD4 #EFC05B #5BEF76

split-complementary

#5B8AEF #EF765B #D4EF5B

monochromatic

#1249BD #2362EA #5B8AEF #93B2F4 #CBDAFA

Accessibility & contrast

On white

3.32

#5B8AEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.33

#5B8AEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8AEF

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B8AEF	#FFFFFF	#000000	##000000
##5B8AEF	1.00	3.32	6.33	6.33
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.33	21.00	1.00	1.00
##000000	6.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C94F3

Deuteranopia (green-blind)

#4687ED

Tritanopia (blue-blind)

#00A1B1

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #5b8aef;
/* rgb */ color: rgb(91, 138, 239);
/* oklch */ color: oklch(64.8% 0.160 263.7);

Tailwind

colors: {
  custom: {
    50: '#96abf5',
    500: '#5b8aef',
    950: '#000000',
  },
}

SCSS

$custom: #5b8aef;
$custom-light: #96abf5;
$custom-dark: #000000;

JSON

{
  "hex": "#5b8aef",
  "rgb": {
    "r": 91,
    "g": 138,
    "b": 239
  },
  "hsl": {
    "h": 220.946,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.64832,
    "c": 0.15963,
    "h": 263.7
  },
  "luminance": 0.26633
}

Semantic roles & 50–950 ramp

primary

#5B8AEF

secondary

#ECDCBA

accent

#9A07DF

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5B8AEF

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

Preview Lab → · Contrast checker → · Palette generator →