#5B8FE7#5B8FE7

#5B8FE7 is a light, vivid blue. Relative luminance 0.276; OKLCH L 65.4% C 0.143 H 260.3°. Best body text is #000000 at 6.53:1 contrast (WCAG AA passes).

Color values

HEX	#5B8FE7
RGB	rgb(91, 143, 231)
HSL	hsl(218, 74%, 63%)
HSV	hsv(218, 61%, 91%)
CMYK	cmyk(60.6%, 38.1%, 0%, 9.4%)
CIE-LAB	lab(59.56, 9.20, -49.76)
CIE-LCH	lch(59.56, 50.60, 280.47°)
OKLab	oklab(65.41% -0.0241 -0.1413)
OKLCH	oklch(65.41% 0.143 260.3)
XYZ	xyz(28.5556, 27.6360, 79.4153)
Luminance	0.2764 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B8FE7 #E7B35B

analogous

#5BD5E7 #5B8FE7 #6D5BE7

triadic

#5B8FE7 #E75B8F #8FE75B

tetradic

#5B8FE7 #E75BD5 #E7B35B #5BE76D

square

#5B8FE7 #E75BD5 #E7B35B #5BE76D

split-complementary

#5B8FE7 #E76D5B #D5E75B

monochromatic

#1951AE #266BDF #5B8FE7 #90B3EF #C6D8F7

Accessibility & contrast

On white

3.22

#5B8FE7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.53

#5B8FE7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8FE7

6.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B8FE7	#FFFFFF	#000000	##000000
##5B8FE7	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)

#6997EB

Deuteranopia (green-blind)

#5689E5

Tritanopia (blue-blind)

#00A3B0

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #5b8fe7;
/* rgb */ color: rgb(91, 143, 231);
/* oklch */ color: oklch(65.4% 0.143 260.3);

Tailwind

colors: {
  custom: {
    50: '#95afef',
    500: '#5b8fe7',
    950: '#000000',
  },
}

SCSS

$custom: #5b8fe7;
$custom-light: #95afef;
$custom-dark: #000000;

JSON

{
  "hex": "#5b8fe7",
  "rgb": {
    "r": 91,
    "g": 143,
    "b": 231
  },
  "hsl": {
    "h": 217.714,
    "s": 74.468,
    "l": 63.137
  },
  "oklch": {
    "l": 0.6541,
    "c": 0.14334,
    "h": 260.3
  },
  "luminance": 0.27639
}

Semantic roles & 50–950 ramp

primary

#5B8FE7

secondary

#E8D5B6

accent

#8C0FD7

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #5B8FE7

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

Preview Lab → · Contrast checker → · Palette generator →