#5F90EB#5F90EB

#5F90EB is a light, vivid blue. Relative luminance 0.284; OKLCH L 66.0% C 0.146 H 261.8°. Best body text is #000000 at 6.68:1 contrast (WCAG AA passes).

Color values

HEX	#5F90EB
RGB	rgb(95, 144, 235)
HSL	hsl(219, 78%, 65%)
HSV	hsv(219, 60%, 92%)
CMYK	cmyk(59.6%, 38.7%, 0%, 7.8%)
CIE-LAB	lab(60.23, 10.67, -50.90)
CIE-LCH	lch(60.23, 52.01, 281.84°)
OKLab	oklab(66.05% -0.0208 -0.1446)
OKLCH	oklch(66.05% 0.146 261.8)
XYZ	xyz(29.6828, 28.3750, 82.4938)
Luminance	0.2838 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5F90EB #EBBA5F

analogous

#5FD6EB #5F90EB #745FEB

triadic

#5F90EB #EB5F90 #90EB5F

tetradic

#5F90EB #EB5FD6 #EBBA5F #5FEB74

square

#5F90EB #EB5FD6 #EBBA5F #5FEB74

split-complementary

#5F90EB #EB745F #D6EB5F

monochromatic

#1750B9 #296AE4 #5F90EB #95B6F2 #CCDBF9

Accessibility & contrast

On white

3.15

#5F90EB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.68

#5F90EB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5F90EB

6.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5F90EB	#FFFFFF	#000000	##000000
##5F90EB	1.00	3.15	6.68	6.68
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.68	21.00	1.00	1.00
##000000	6.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6998EF

Deuteranopia (green-blind)

#568BE9

Tritanopia (blue-blind)

#00A4B2

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #5f90eb;
/* rgb */ color: rgb(95, 144, 235);
/* oklch */ color: oklch(66.0% 0.146 261.8);

Tailwind

colors: {
  custom: {
    50: '#97b0f2',
    500: '#5f90eb',
    950: '#000000',
  },
}

SCSS

$custom: #5f90eb;
$custom-light: #97b0f2;
$custom-dark: #000000;

JSON

{
  "hex": "#5f90eb",
  "rgb": {
    "r": 95,
    "g": 144,
    "b": 235
  },
  "hsl": {
    "h": 219,
    "s": 77.778,
    "l": 64.706
  },
  "oklch": {
    "l": 0.66046,
    "c": 0.14606,
    "h": 261.8
  },
  "luminance": 0.28378
}

Semantic roles & 50–950 ramp

primary

#5F90EB

secondary

#EBDABB

accent

#920BDA

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0F1017

muted

#7E7F85

Preview Lab

Preview with #5F90EB

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

Preview Lab → · Contrast checker → · Palette generator →