#5B88ED#5B88ED

#5B88ED is a light, vivid blue. Relative luminance 0.259; OKLCH L 64.3% C 0.159 H 264.3°. Best body text is #000000 at 6.19:1 contrast (WCAG AA passes).

Color values

HEX	#5B88ED
RGB	rgb(91, 136, 237)
HSL	hsl(222, 80%, 64%)
HSV	hsv(222, 62%, 93%)
CMYK	cmyk(61.6%, 42.6%, 0%, 7.1%)
CIE-LAB	lab(57.98, 15.37, -55.59)
CIE-LCH	lch(57.98, 57.68, 285.45°)
OKLab	oklab(64.3% -0.0158 -0.1585)
OKLCH	oklch(64.3% 0.159 264.3)
XYZ	xyz(28.3993, 25.9444, 83.6155)
Luminance	0.2595 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B88ED #EDC05B

analogous

#5BD1ED #5B88ED #775BED

triadic

#5B88ED #ED5B88 #88ED5B

tetradic

#5B88ED #ED5BD1 #EDC05B #5BED77

square

#5B88ED #ED5BD1 #EDC05B #5BED77

split-complementary

#5B88ED #ED775B #D1ED5B

monochromatic

#1447B9 #2460E7 #5B88ED #92B0F3 #C9D8F9

Accessibility & contrast

On white

3.39

#5B88ED on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.19

#5B88ED on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B88ED

6.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B88ED	#FFFFFF	#000000	##000000
##5B88ED	1.00	3.39	6.19	6.19
#FFFFFF	3.39	1.00	21.00	21.00
#000000	6.19	21.00	1.00	1.00
##000000	6.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A92F1

Deuteranopia (green-blind)

#4485EB

Tritanopia (blue-blind)

#009FAF

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #5b88ed;
/* rgb */ color: rgb(91, 136, 237);
/* oklch */ color: oklch(64.3% 0.159 264.3);

Tailwind

colors: {
  custom: {
    50: '#96aaf3',
    500: '#5b88ed',
    950: '#000000',
  },
}

SCSS

$custom: #5b88ed;
$custom-light: #96aaf3;
$custom-dark: #000000;

JSON

{
  "hex": "#5b88ed",
  "rgb": {
    "r": 91,
    "g": 136,
    "b": 237
  },
  "hsl": {
    "h": 221.507,
    "s": 80.22,
    "l": 64.314
  },
  "oklch": {
    "l": 0.64298,
    "c": 0.15926,
    "h": 264.3
  },
  "luminance": 0.25947
}

Semantic roles & 50–950 ramp

primary

#5B88ED

secondary

#EBDCB9

accent

#9B09DD

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E0F17

muted

#7E7F85

Preview Lab

Preview with #5B88ED

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

Preview Lab → · Contrast checker → · Palette generator →