#5B90F0#5B90F0

#5B90F0 is a light, vivid blue. Relative luminance 0.285; OKLCH L 66.1% C 0.154 H 261.4°. Best body text is #000000 at 6.69:1 contrast (WCAG AA passes).

Color values

HEX	#5B90F0
RGB	rgb(91, 144, 240)
HSL	hsl(219, 83%, 65%)
HSV	hsv(219, 62%, 94%)
CMYK	cmyk(62.1%, 40%, 0%, 5.9%)
CIE-LAB	lab(60.30, 11.59, -53.56)
CIE-LCH	lch(60.30, 54.80, 282.21°)
OKLab	oklab(66.14% -0.0232 -0.1524)
OKLCH	oklch(66.14% 0.154 261.4)
XYZ	xyz(30.0103, 28.4592, 86.3328)
Luminance	0.2846 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B90F0 #F0BB5B

analogous

#5BDAF0 #5B90F0 #715BF0

triadic

#5B90F0 #F05B90 #90F05B

tetradic

#5B90F0 #F05BDA #F0BB5B #5BF071

square

#5B90F0 #F05BDA #F0BB5B #5BF071

split-complementary

#5B90F0 #F0715B #DAF05B

monochromatic

#114FBF #236AEB #5B90F0 #93B6F5 #CBDCFA

Accessibility & contrast

On white

3.14

#5B90F0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.69

#5B90F0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B90F0

6.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B90F0	#FFFFFF	#000000	##000000
##5B90F0	1.00	3.14	6.69	6.69
#FFFFFF	3.14	1.00	21.00	21.00
#000000	6.69	21.00	1.00	1.00
##000000	6.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6599F4

Deuteranopia (green-blind)

#508BEE

Tritanopia (blue-blind)

#00A6B4

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #5b90f0;
/* rgb */ color: rgb(91, 144, 240);
/* oklch */ color: oklch(66.1% 0.154 261.4);

Tailwind

colors: {
  custom: {
    50: '#96b0f5',
    500: '#5b90f0',
    950: '#000000',
  },
}

SCSS

$custom: #5b90f0;
$custom-light: #96b0f5;
$custom-dark: #000000;

JSON

{
  "hex": "#5b90f0",
  "rgb": {
    "r": 91,
    "g": 144,
    "b": 240
  },
  "hsl": {
    "h": 218.658,
    "s": 83.24,
    "l": 64.902
  },
  "oklch": {
    "l": 0.66139,
    "c": 0.15417,
    "h": 261.4
  },
  "luminance": 0.28462
}

Semantic roles & 50–950 ramp

primary

#5B90F0

secondary

#EDDBBA

accent

#9206E0

background

#F9FAFF

surface

#F2F4FE

border

#CCCED6

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #5B90F0

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

Preview Lab → · Contrast checker → · Palette generator →