#5B90F4#5B90F4

#5B90F4 is a light, vivid blue. Relative luminance 0.287; OKLCH L 66.4% C 0.159 H 261.9°. Best body text is #000000 at 6.74:1 contrast (WCAG AA passes).

Color values

HEX	#5B90F4
RGB	rgb(91, 144, 244)
HSL	hsl(219, 87%, 66%)
HSV	hsv(219, 63%, 96%)
CMYK	cmyk(62.7%, 41%, 0%, 4.3%)
CIE-LAB	lab(60.52, 12.92, -55.42)
CIE-LCH	lch(60.52, 56.91, 283.12°)
OKLab	oklab(66.37% -0.0224 -0.1579)
OKLCH	oklch(66.37% 0.159 261.9)
XYZ	xyz(30.6110, 28.6995, 89.4968)
Luminance	0.2870 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B90F4 #F4BF5B

analogous

#5BDCF4 #5B90F4 #725BF4

triadic

#5B90F4 #F45B90 #90F45B

tetradic

#5B90F4 #F45BDC #F4BF5B #5BF472

square

#5B90F4 #F45BDC #F4BF5B #5BF472

split-complementary

#5B90F4 #F4725B #DCF45B

monochromatic

#0D4EC7 #2269F0 #5B90F4 #94B7F8 #CEDEFC

Accessibility & contrast

On white

3.12

#5B90F4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.74

#5B90F4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B90F4

6.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B90F4	#FFFFFF	#000000	##000000
##5B90F4	1.00	3.12	6.74	6.74
#FFFFFF	3.12	1.00	21.00	21.00
#000000	6.74	21.00	1.00	1.00
##000000	6.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#639AF8

Deuteranopia (green-blind)

#4C8BF2

Tritanopia (blue-blind)

#00A7B6

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #5b90f4;
/* rgb */ color: rgb(91, 144, 244);
/* oklch */ color: oklch(66.4% 0.159 261.9);

Tailwind

colors: {
  custom: {
    50: '#97b0f8',
    500: '#5b90f4',
    950: '#000000',
  },
}

SCSS

$custom: #5b90f4;
$custom-light: #97b0f8;
$custom-dark: #000000;

JSON

{
  "hex": "#5b90f4",
  "rgb": {
    "r": 91,
    "g": 144,
    "b": 244
  },
  "hsl": {
    "h": 219.216,
    "s": 87.429,
    "l": 65.686
  },
  "oklch": {
    "l": 0.66374,
    "c": 0.15947,
    "h": 261.9
  },
  "luminance": 0.28702
}

Semantic roles & 50–950 ramp

primary

#5B90F4

secondary

#EFDDBC

accent

#9602E4

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0F1017

muted

#7E7F85

Preview Lab

Preview with #5B90F4

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

Preview Lab → · Contrast checker → · Palette generator →