#5B8DE5#5B8DE5

#5B8DE5 is a light, vivid blue. Relative luminance 0.269; OKLCH L 64.9% C 0.143 H 261.0°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#5B8DE5
RGB	rgb(91, 141, 229)
HSL	hsl(218, 73%, 63%)
HSV	hsv(218, 60%, 90%)
CMYK	cmyk(60.3%, 38.4%, 0%, 10.2%)
CIE-LAB	lab(58.91, 9.72, -49.68)
CIE-LCH	lch(58.91, 50.62, 281.07°)
OKLab	oklab(64.87% -0.0224 -0.1411)
OKLCH	oklch(64.87% 0.143 261)
XYZ	xyz(27.9772, 26.9286, 77.8369)
Luminance	0.2693 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B8DE5 #E5B35B

analogous

#5BD2E5 #5B8DE5 #6E5BE5

triadic

#5B8DE5 #E55B8D #8DE55B

tetradic

#5B8DE5 #E55BD2 #E5B35B #5BE56E

square

#5B8DE5 #E55BD2 #E5B35B #5BE56E

split-complementary

#5B8DE5 #E56E5B #D2E55B

monochromatic

#1B4FAB #2668DD #5B8DE5 #90B2ED #C5D6F6

Accessibility & contrast

On white

3.29

#5B8DE5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#5B8DE5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8DE5

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B8DE5	#FFFFFF	#000000	##000000
##5B8DE5	1.00	3.29	6.39	6.39
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.39	21.00	1.00	1.00
##000000	6.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6795E9

Deuteranopia (green-blind)

#5488E3

Tritanopia (blue-blind)

#00A1AE

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #5b8de5;
/* rgb */ color: rgb(91, 141, 229);
/* oklch */ color: oklch(64.9% 0.143 261.0);

Tailwind

colors: {
  custom: {
    50: '#94aded',
    500: '#5b8de5',
    950: '#000000',
  },
}

SCSS

$custom: #5b8de5;
$custom-light: #94aded;
$custom-dark: #000000;

JSON

{
  "hex": "#5b8de5",
  "rgb": {
    "r": 91,
    "g": 141,
    "b": 229
  },
  "hsl": {
    "h": 218.261,
    "s": 72.632,
    "l": 62.745
  },
  "oklch": {
    "l": 0.64872,
    "c": 0.14286,
    "h": 261
  },
  "luminance": 0.26931
}

Semantic roles & 50–950 ramp

primary

#5B8DE5

secondary

#E7D5B5

accent

#8E11D5

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #5B8DE5

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

Preview Lab → · Contrast checker → · Palette generator →