#5B8EEC#5B8EEC

#5B8EEC is a light, vivid blue. Relative luminance 0.276; OKLCH L 65.5% C 0.151 H 261.6°. Best body text is #000000 at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#5B8EEC
RGB	rgb(91, 142, 236)
HSL	hsl(219, 79%, 64%)
HSV	hsv(219, 61%, 93%)
CMYK	cmyk(61.4%, 39.8%, 0%, 7.5%)
CIE-LAB	lab(59.55, 11.45, -52.55)
CIE-LCH	lch(59.55, 53.78, 282.29°)
OKLab	oklab(65.49% -0.022 -0.1495)
OKLCH	oklch(65.49% 0.151 261.6)
XYZ	xyz(29.1224, 27.6237, 83.1378)
Luminance	0.2763 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B8EEC #ECB95B

analogous

#5BD6EC #5B8EEC #715BEC

triadic

#5B8EEC #EC5B8E #8EEC5B

tetradic

#5B8EEC #EC5BD6 #ECB95B #5BEC71

square

#5B8EEC #EC5BD6 #ECB95B #5BEC71

split-complementary

#5B8EEC #EC715B #D6EC5B

monochromatic

#154EB7 #2468E6 #5B8EEC #92B4F2 #C9DAF9

Accessibility & contrast

On white

3.22

#5B8EEC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.53

#5B8EEC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8EEC

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B8EEC	#FFFFFF	#000000	##000000
##5B8EEC	1.00	3.22	6.53	6.53
#FFFFFF	3.22	1.00	21.00	21.00
#000000	6.53	21.00	1.00	1.00
##000000	6.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6597F0

Deuteranopia (green-blind)

#5089EA

Tritanopia (blue-blind)

#00A3B1

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #5b8eec;
/* rgb */ color: rgb(91, 142, 236);
/* oklch */ color: oklch(65.5% 0.151 261.6);

Tailwind

colors: {
  custom: {
    50: '#95aef2',
    500: '#5b8eec',
    950: '#000000',
  },
}

SCSS

$custom: #5b8eec;
$custom-light: #95aef2;
$custom-dark: #000000;

JSON

{
  "hex": "#5b8eec",
  "rgb": {
    "r": 91,
    "g": 142,
    "b": 236
  },
  "hsl": {
    "h": 218.897,
    "s": 79.235,
    "l": 64.118
  },
  "oklch": {
    "l": 0.65486,
    "c": 0.15109,
    "h": 261.6
  },
  "luminance": 0.27626
}

Semantic roles & 50–950 ramp

primary

#5B8EEC

secondary

#EBD9B8

accent

#920ADC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5B8EEC

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

Preview Lab → · Contrast checker → · Palette generator →