#4F90F6#4F90F6

#4F90F6 is a light, vivid blue. Relative luminance 0.283; OKLCH L 66.0% C 0.166 H 259.1°. Best body text is #000000 at 6.65:1 contrast (WCAG AA passes).

Color values

HEX	#4F90F6
RGB	rgb(79, 144, 246)
HSL	hsl(217, 90%, 64%)
HSV	hsv(217, 68%, 96%)
CMYK	cmyk(67.9%, 41.5%, 0%, 3.5%)
CIE-LAB	lab(60.12, 11.66, -57.18)
CIE-LCH	lch(60.12, 58.36, 281.53°)
OKLab	oklab(65.97% -0.0314 -0.1632)
OKLCH	oklch(65.97% 0.166 259.1)
XYZ	xyz(29.8263, 28.2595, 91.0537)
Luminance	0.2826 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F90F6 #F6B54F

analogous

#4FE3F6 #4F90F6 #614FF6

triadic

#4F90F6 #F64F90 #90F64F

tetradic

#4F90F6 #F64FE3 #F6B54F #4FF661

square

#4F90F6 #F64FE3 #F6B54F #4FF661

split-complementary

#4F90F6 #F6614F #E3F64F

monochromatic

#0A51C1 #156BF3 #4F90F6 #89B5F9 #C3D9FC

Accessibility & contrast

On white

3.16

#4F90F6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.65

#4F90F6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F90F6

6.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F90F6	#FFFFFF	#000000	##000000
##4F90F6	1.00	3.16	6.65	6.65
#FFFFFF	3.16	1.00	21.00	21.00
#000000	6.65	21.00	1.00	1.00
##000000	6.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6099FA

Deuteranopia (green-blind)

#458AF4

Tritanopia (blue-blind)

#00A8B7

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #4f90f6;
/* rgb */ color: rgb(79, 144, 246);
/* oklch */ color: oklch(66.0% 0.166 259.1);

Tailwind

colors: {
  custom: {
    50: '#91b0fa',
    500: '#4f90f6',
    950: '#000000',
  },
}

SCSS

$custom: #4f90f6;
$custom-light: #91b0fa;
$custom-dark: #000000;

JSON

{
  "hex": "#4f90f6",
  "rgb": {
    "r": 79,
    "g": 144,
    "b": 246
  },
  "hsl": {
    "h": 216.647,
    "s": 90.27,
    "l": 63.725
  },
  "oklch": {
    "l": 0.65968,
    "c": 0.16623,
    "h": 259.1
  },
  "luminance": 0.28263
}

Semantic roles & 50–950 ramp

primary

#4F90F6

secondary

#EED7B3

accent

#8C00E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #4F90F6

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

Preview Lab → · Contrast checker → · Palette generator →