#5B8DEF#5B8DEF

#5B8DEF is a light, vivid blue. Relative luminance 0.275; OKLCH L 65.5% C 0.156 H 262.5°. Best body text is #000000 at 6.50:1 contrast (WCAG AA passes).

Color values

HEX	#5B8DEF
RGB	rgb(91, 141, 239)
HSL	hsl(220, 82%, 65%)
HSV	hsv(220, 62%, 94%)
CMYK	cmyk(61.9%, 41%, 0%, 6.3%)
CIE-LAB	lab(59.44, 13.04, -54.38)
CIE-LCH	lch(59.44, 55.92, 283.48°)
OKLab	oklab(65.45% -0.0204 -0.1549)
OKLCH	oklch(65.45% 0.156 262.5)
XYZ	xyz(29.4138, 27.5032, 85.4032)
Luminance	0.2751 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B8DEF #EFBD5B

analogous

#5BD7EF #5B8DEF #735BEF

triadic

#5B8DEF #EF5B8D #8DEF5B

tetradic

#5B8DEF #EF5BD7 #EFBD5B #5BEF73

square

#5B8DEF #EF5BD7 #EFBD5B #5BEF73

split-complementary

#5B8DEF #EF735B #D7EF5B

monochromatic

#124CBD #2366EA #5B8DEF #93B4F4 #CBDBFA

Accessibility & contrast

On white

3.23

#5B8DEF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.50

#5B8DEF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8DEF

6.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B8DEF	#FFFFFF	#000000	##000000
##5B8DEF	1.00	3.23	6.50	6.50
#FFFFFF	3.23	1.00	21.00	21.00
#000000	6.50	21.00	1.00	1.00
##000000	6.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6196F3

Deuteranopia (green-blind)

#4B89ED

Tritanopia (blue-blind)

#00A3B2

Achromatopsia (no color)

#8F8F8F

Design tokens & code

CSS

--color: #5b8def;
/* rgb */ color: rgb(91, 141, 239);
/* oklch */ color: oklch(65.5% 0.156 262.5);

Tailwind

colors: {
  custom: {
    50: '#96adf5',
    500: '#5b8def',
    950: '#000000',
  },
}

SCSS

$custom: #5b8def;
$custom-light: #96adf5;
$custom-dark: #000000;

JSON

{
  "hex": "#5b8def",
  "rgb": {
    "r": 91,
    "g": 141,
    "b": 239
  },
  "hsl": {
    "h": 219.73,
    "s": 82.222,
    "l": 64.706
  },
  "oklch": {
    "l": 0.65454,
    "c": 0.15621,
    "h": 262.5
  },
  "luminance": 0.27506
}

Semantic roles & 50–950 ramp

primary

#5B8DEF

secondary

#ECDBBA

accent

#9607DF

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5B8DEF

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

Preview Lab → · Contrast checker → · Palette generator →