#5B90F7#5B90F7

#5B90F7 is a light, vivid blue. Relative luminance 0.289; OKLCH L 66.6% C 0.163 H 262.3°. Best body text is #000000 at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#5B90F7
RGB	rgb(91, 144, 247)
HSL	hsl(220, 91%, 66%)
HSV	hsv(220, 63%, 97%)
CMYK	cmyk(63.2%, 41.7%, 0%, 3.1%)
CIE-LAB	lab(60.68, 13.92, -56.81)
CIE-LCH	lch(60.68, 58.50, 283.77°)
OKLab	oklab(66.55% -0.0218 -0.162)
OKLCH	oklch(66.55% 0.163 262.3)
XYZ	xyz(31.0703, 28.8832, 91.9153)
Luminance	0.2889 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B90F7 #F7C25B

analogous

#5BDEF7 #5B90F7 #745BF7

triadic

#5B90F7 #F75B90 #90F75B

tetradic

#5B90F7 #F75BDE #F7C25B #5BF774

square

#5B90F7 #F75BDE #F7C25B #5BF774

split-complementary

#5B90F7 #F7745B #DEF75B

monochromatic

#0A4CCE #2169F4 #5B90F7 #95B7FA #D0DFFD

Accessibility & contrast

On white

3.10

#5B90F7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.78

#5B90F7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5B90F7

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B90F7	#FFFFFF	#000000	##000000
##5B90F7	1.00	3.10	6.78	6.78
#FFFFFF	3.10	1.00	21.00	21.00
#000000	6.78	21.00	1.00	1.00
##000000	6.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#619AFB

Deuteranopia (green-blind)

#498CF5

Tritanopia (blue-blind)

#00A7B7

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #5b90f7;
/* rgb */ color: rgb(91, 144, 247);
/* oklch */ color: oklch(66.6% 0.163 262.3);

Tailwind

colors: {
  custom: {
    50: '#97b0fa',
    500: '#5b90f7',
    950: '#000000',
  },
}

SCSS

$custom: #5b90f7;
$custom-light: #97b0fa;
$custom-dark: #000000;

JSON

{
  "hex": "#5b90f7",
  "rgb": {
    "r": 91,
    "g": 144,
    "b": 247
  },
  "hsl": {
    "h": 219.615,
    "s": 90.698,
    "l": 66.275
  },
  "oklch": {
    "l": 0.66553,
    "c": 0.16344,
    "h": 262.3
  },
  "luminance": 0.28886
}

Semantic roles & 50–950 ramp

primary

#5B90F7

secondary

#F0DFBD

accent

#9800E6

background

#FAFAFF

surface

#F3F4FF

border

#CDCED7

text

#0F1017

muted

#7F7F85

Preview Lab

Preview with #5B90F7

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

Preview Lab → · Contrast checker → · Palette generator →