#5B8CE9#5B8CE9

#5B8CE9 is a light, vivid blue. Relative luminance 0.269; OKLCH L 64.9% C 0.149 H 262.1°. Best body text is #000000 at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#5B8CE9
RGB	rgb(91, 140, 233)
HSL	hsl(219, 76%, 64%)
HSV	hsv(219, 61%, 91%)
CMYK	cmyk(60.9%, 39.9%, 0%, 8.6%)
CIE-LAB	lab(58.85, 11.64, -52.00)
CIE-LCH	lch(58.85, 53.29, 282.62°)
OKLab	oklab(64.89% -0.0206 -0.1479)
OKLCH	oklch(64.89% 0.149 262.1)
XYZ	xyz(28.3953, 26.8610, 80.7633)
Luminance	0.2686 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B8CE9 #E9B85B

analogous

#5BD3E9 #5B8CE9 #715BE9

triadic

#5B8CE9 #E95B8C #8CE95B

tetradic

#5B8CE9 #E95BD3 #E9B85B #5BE971

square

#5B8CE9 #E95BD3 #E9B85B #5BE971

split-complementary

#5B8CE9 #E9715B #D3E95B

monochromatic

#184DB2 #2566E2 #5B8CE9 #91B2F0 #C7D8F7

Accessibility & contrast

On white

3.30

#5B8CE9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.37

#5B8CE9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8CE9

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B8CE9	#FFFFFF	#000000	##000000
##5B8CE9	1.00	3.30	6.37	6.37
#FFFFFF	3.30	1.00	21.00	21.00
#000000	6.37	21.00	1.00	1.00
##000000	6.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6395ED

Deuteranopia (green-blind)

#4F88E7

Tritanopia (blue-blind)

#00A1AF

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #5b8ce9;
/* rgb */ color: rgb(91, 140, 233);
/* oklch */ color: oklch(64.9% 0.149 262.1);

Tailwind

colors: {
  custom: {
    50: '#95adf0',
    500: '#5b8ce9',
    950: '#000000',
  },
}

SCSS

$custom: #5b8ce9;
$custom-light: #95adf0;
$custom-dark: #000000;

JSON

{
  "hex": "#5b8ce9",
  "rgb": {
    "r": 91,
    "g": 140,
    "b": 233
  },
  "hsl": {
    "h": 219.296,
    "s": 76.344,
    "l": 63.529
  },
  "oklch": {
    "l": 0.64892,
    "c": 0.14932,
    "h": 262.1
  },
  "luminance": 0.26864
}

Semantic roles & 50–950 ramp

primary

#5B8CE9

secondary

#E9D8B7

accent

#920DD9

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5B8CE9

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

Preview Lab → · Contrast checker → · Palette generator →