#5B8FE3#5B8FE3

#5B8FE3 is a light, vivid blue. Relative luminance 0.274; OKLCH L 65.2% C 0.138 H 259.6°. Best body text is #000000 at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#5B8FE3
RGB	rgb(91, 143, 227)
HSL	hsl(217, 71%, 62%)
HSV	hsv(217, 60%, 89%)
CMYK	cmyk(59.9%, 37%, 0%, 11%)
CIE-LAB	lab(59.35, 7.88, -47.86)
CIE-LCH	lch(59.35, 48.50, 279.35°)
OKLab	oklab(65.19% -0.025 -0.1357)
OKLCH	oklch(65.19% 0.138 259.6)
XYZ	xyz(27.9971, 27.4126, 76.4739)
Luminance	0.2742 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B8FE3 #E3AF5B

analogous

#5BD3E3 #5B8FE3 #6B5BE3

triadic

#5B8FE3 #E35B8F #8FE35B

tetradic

#5B8FE3 #E35BD3 #E3AF5B #5BE36B

square

#5B8FE3 #E35BD3 #E3AF5B #5BE36B

split-complementary

#5B8FE3 #E36B5B #D3E35B

monochromatic

#1D51A7 #276BDA #5B8FE3 #8FB3EC #C4D6F5

Accessibility & contrast

On white

3.24

#5B8FE3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.48

#5B8FE3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8FE3

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B8FE3	#FFFFFF	#000000	##000000
##5B8FE3	1.00	3.24	6.48	6.48
#FFFFFF	3.24	1.00	21.00	21.00
#000000	6.48	21.00	1.00	1.00
##000000	6.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B96E6

Deuteranopia (green-blind)

#5989E1

Tritanopia (blue-blind)

#00A2AE

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #5b8fe3;
/* rgb */ color: rgb(91, 143, 227);
/* oklch */ color: oklch(65.2% 0.138 259.6);

Tailwind

colors: {
  custom: {
    50: '#94afec',
    500: '#5b8fe3',
    950: '#000000',
  },
}

SCSS

$custom: #5b8fe3;
$custom-light: #94afec;
$custom-dark: #000000;

JSON

{
  "hex": "#5b8fe3",
  "rgb": {
    "r": 91,
    "g": 143,
    "b": 227
  },
  "hsl": {
    "h": 217.059,
    "s": 70.833,
    "l": 62.353
  },
  "oklch": {
    "l": 0.65185,
    "c": 0.13802,
    "h": 259.6
  },
  "luminance": 0.27415
}

Semantic roles & 50–950 ramp

primary

#5B8FE3

secondary

#E6D3B4

accent

#8913D3

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #5B8FE3

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

Preview Lab → · Contrast checker → · Palette generator →