#5B90E6#5B90E6

#5B90E6 is a light, vivid blue. Relative luminance 0.279; OKLCH L 65.6% C 0.141 H 259.6°. Best body text is #000000 at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#5B90E6
RGB	rgb(91, 144, 230)
HSL	hsl(217, 74%, 63%)
HSV	hsv(217, 60%, 90%)
CMYK	cmyk(60.4%, 37.4%, 0%, 9.8%)
CIE-LAB	lab(59.78, 8.27, -48.85)
CIE-LCH	lch(59.78, 49.54, 279.61°)
OKLab	oklab(65.57% -0.0253 -0.1386)
OKLCH	oklch(65.57% 0.141 259.6)
XYZ	xyz(28.5655, 27.8813, 78.7238)
Luminance	0.2788 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B90E6 #E6B15B

analogous

#5BD6E6 #5B90E6 #6B5BE6

triadic

#5B90E6 #E65B90 #90E65B

tetradic

#5B90E6 #E65BD6 #E6B15B #5BE66B

square

#5B90E6 #E65BD6 #E6B15B #5BE66B

split-complementary

#5B90E6 #E66B5B #D6E65B

monochromatic

#1A52AC #266CDE #5B90E6 #90B4EE #C5D8F6

Accessibility & contrast

On white

3.19

#5B90E6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.58

#5B90E6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B90E6

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B90E6	#FFFFFF	#000000	##000000
##5B90E6	1.00	3.19	6.58	6.58
#FFFFFF	3.19	1.00	21.00	21.00
#000000	6.58	21.00	1.00	1.00
##000000	6.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B97E9

Deuteranopia (green-blind)

#588AE4

Tritanopia (blue-blind)

#00A3B0

Achromatopsia (no color)

#909090

Design tokens & code

CSS

--color: #5b90e6;
/* rgb */ color: rgb(91, 144, 230);
/* oklch */ color: oklch(65.6% 0.141 259.6);

Tailwind

colors: {
  custom: {
    50: '#94b0ee',
    500: '#5b90e6',
    950: '#000000',
  },
}

SCSS

$custom: #5b90e6;
$custom-light: #94b0ee;
$custom-dark: #000000;

JSON

{
  "hex": "#5b90e6",
  "rgb": {
    "r": 91,
    "g": 144,
    "b": 230
  },
  "hsl": {
    "h": 217.122,
    "s": 73.545,
    "l": 62.941
  },
  "oklch": {
    "l": 0.65566,
    "c": 0.14093,
    "h": 259.6
  },
  "luminance": 0.27884
}

Semantic roles & 50–950 ramp

primary

#5B90E6

secondary

#E7D4B5

accent

#8A10D6

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0E1016

muted

#7E7F84

Preview Lab

Preview with #5B90E6

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

Preview Lab → · Contrast checker → · Palette generator →