#5B8EEE#5B8EEE

#5B8EEE is a light, vivid blue. Relative luminance 0.277; OKLCH L 65.6% C 0.154 H 261.9°. Best body text is #000000 at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#5B8EEE
RGB	rgb(91, 142, 238)
HSL	hsl(219, 81%, 65%)
HSV	hsv(219, 62%, 93%)
CMYK	cmyk(61.8%, 40.3%, 0%, 6.7%)
CIE-LAB	lab(59.65, 12.11, -53.48)
CIE-LCH	lch(59.65, 54.84, 282.76°)
OKLab	oklab(65.6% -0.0216 -0.1522)
OKLCH	oklch(65.6% 0.154 261.9)
XYZ	xyz(29.4146, 27.7405, 84.6767)
Luminance	0.2774 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B8EEE #EEBB5B

analogous

#5BD7EE #5B8EEE #725BEE

triadic

#5B8EEE #EE5B8E #8EEE5B

tetradic

#5B8EEE #EE5BD7 #EEBB5B #5BEE72

square

#5B8EEE #EE5BD7 #EEBB5B #5BEE72

split-complementary

#5B8EEE #EE725B #D7EE5B

monochromatic

#134EBB #2468E8 #5B8EEE #92B4F4 #CADAF9

Accessibility & contrast

On white

3.21

#5B8EEE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.55

#5B8EEE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B8EEE

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B8EEE	#FFFFFF	#000000	##000000
##5B8EEE	1.00	3.21	6.55	6.55
#FFFFFF	3.21	1.00	21.00	21.00
#000000	6.55	21.00	1.00	1.00
##000000	6.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6397F2

Deuteranopia (green-blind)

#4E89EC

Tritanopia (blue-blind)

#00A4B2

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #5b8eee;
/* rgb */ color: rgb(91, 142, 238);
/* oklch */ color: oklch(65.6% 0.154 261.9);

Tailwind

colors: {
  custom: {
    50: '#96aef4',
    500: '#5b8eee',
    950: '#000000',
  },
}

SCSS

$custom: #5b8eee;
$custom-light: #96aef4;
$custom-dark: #000000;

JSON

{
  "hex": "#5b8eee",
  "rgb": {
    "r": 91,
    "g": 142,
    "b": 238
  },
  "hsl": {
    "h": 219.184,
    "s": 81.215,
    "l": 64.51
  },
  "oklch": {
    "l": 0.65603,
    "c": 0.15375,
    "h": 261.9
  },
  "luminance": 0.27743
}

Semantic roles & 50–950 ramp

primary

#5B8EEE

secondary

#ECDAB9

accent

#9308DE

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5B8EEE

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

Preview Lab → · Contrast checker → · Palette generator →