#4F91F6#4F91F6

#4F91F6 is a light, vivid blue. Relative luminance 0.286; OKLCH L 66.2% C 0.165 H 258.7°. Best body text is #000000 at 6.71:1 contrast (WCAG AA passes).

Color values

HEX	#4F91F6
RGB	rgb(79, 145, 246)
HSL	hsl(216, 90%, 64%)
HSV	hsv(216, 68%, 96%)
CMYK	cmyk(67.9%, 41.1%, 0%, 3.5%)
CIE-LAB	lab(60.39, 11.06, -56.75)
CIE-LCH	lch(60.39, 57.82, 281.03°)
OKLab	oklab(66.18% -0.0323 -0.1619)
OKLCH	oklch(66.18% 0.165 258.7)
XYZ	xyz(29.9784, 28.5638, 91.1044)
Luminance	0.2857 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F91F6 #F6B44F

analogous

#4FE5F6 #4F91F6 #604FF6

triadic

#4F91F6 #F64F91 #91F64F

tetradic

#4F91F6 #F64FE5 #F6B44F #4FF660

square

#4F91F6 #F64FE5 #F6B44F #4FF660

split-complementary

#4F91F6 #F6604F #E5F64F

monochromatic

#0A52C1 #156DF3 #4F91F6 #89B5F9 #C3DAFC

Accessibility & contrast

On white

3.13

#4F91F6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.71

#4F91F6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F91F6

6.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F91F6	#FFFFFF	#000000	##000000
##4F91F6	1.00	3.13	6.71	6.71
#FFFFFF	3.13	1.00	21.00	21.00
#000000	6.71	21.00	1.00	1.00
##000000	6.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#629AFA

Deuteranopia (green-blind)

#478AF4

Tritanopia (blue-blind)

#00A8B7

Achromatopsia (no color)

#929292

Design tokens & code

CSS

--color: #4f91f6;
/* rgb */ color: rgb(79, 145, 246);
/* oklch */ color: oklch(66.2% 0.165 258.7);

Tailwind

colors: {
  custom: {
    50: '#91b0fa',
    500: '#4f91f6',
    950: '#000000',
  },
}

SCSS

$custom: #4f91f6;
$custom-light: #91b0fa;
$custom-dark: #000000;

JSON

{
  "hex": "#4f91f6",
  "rgb": {
    "r": 79,
    "g": 145,
    "b": 246
  },
  "hsl": {
    "h": 216.287,
    "s": 90.27,
    "l": 63.725
  },
  "oklch": {
    "l": 0.66178,
    "c": 0.16514,
    "h": 258.7
  },
  "luminance": 0.28567
}

Semantic roles & 50–950 ramp

primary

#4F91F6

secondary

#EED7B3

accent

#8B00E6

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #4F91F6

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

Preview Lab → · Contrast checker → · Palette generator →