#5B8AEB#5B8AEB

#5B8AEB is a light, vivid blue. Relative luminance 0.264; OKLCH L 64.6% C 0.154 H 263.2°. Best body text is #000000 at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#5B8AEB
RGB	rgb(91, 138, 235)
HSL	hsl(220, 78%, 64%)
HSV	hsv(220, 61%, 92%)
CMYK	cmyk(61.3%, 41.3%, 0%, 7.8%)
CIE-LAB	lab(58.41, 13.50, -53.80)
CIE-LCH	lch(58.41, 55.47, 284.09°)
OKLab	oklab(64.59% -0.0181 -0.1532)
OKLCH	oklch(64.59% 0.154 263.2)
XYZ	xyz(28.3930, 26.3967, 82.1800)
Luminance	0.2640 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B8AEB #EBBC5B

analogous

#5BD2EB #5B8AEB #745BEB

triadic

#5B8AEB #EB5B8A #8AEB5B

tetradic

#5B8AEB #EB5BD2 #EBBC5B #5BEB74

square

#5B8AEB #EB5BD2 #EBBC5B #5BEB74

split-complementary

#5B8AEB #EB745B #D2EB5B

monochromatic

#164AB5 #2463E4 #5B8AEB #92B1F2 #C8D8F8

Accessibility & contrast

On white

3.34

#5B8AEB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.28

#5B8AEB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8AEB

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B8AEB	#FFFFFF	#000000	##000000
##5B8AEB	1.00	3.34	6.28	6.28
#FFFFFF	3.34	1.00	21.00	21.00
#000000	6.28	21.00	1.00	1.00
##000000	6.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F94EF

Deuteranopia (green-blind)

#4A86E9

Tritanopia (blue-blind)

#00A0AF

Achromatopsia (no color)

#8C8C8C

Design tokens & code

CSS

--color: #5b8aeb;
/* rgb */ color: rgb(91, 138, 235);
/* oklch */ color: oklch(64.6% 0.154 263.2);

Tailwind

colors: {
  custom: {
    50: '#95abf2',
    500: '#5b8aeb',
    950: '#000000',
  },
}

SCSS

$custom: #5b8aeb;
$custom-light: #95abf2;
$custom-dark: #000000;

JSON

{
  "hex": "#5b8aeb",
  "rgb": {
    "r": 91,
    "g": 138,
    "b": 235
  },
  "hsl": {
    "h": 220.417,
    "s": 78.261,
    "l": 63.922
  },
  "oklch": {
    "l": 0.64592,
    "c": 0.15427,
    "h": 263.2
  },
  "luminance": 0.26399
}

Semantic roles & 50–950 ramp

primary

#5B8AEB

secondary

#EADAB8

accent

#970BDB

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5B8AEB

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

Preview Lab → · Contrast checker → · Palette generator →