#4F91F2#4F91F2

#4F91F2 is a light, vivid blue. Relative luminance 0.283; OKLCH L 65.9% C 0.160 H 258.0°. Best body text is #000000 at 6.66:1 contrast (WCAG AA passes).

Color values

HEX	#4F91F2
RGB	rgb(79, 145, 242)
HSL	hsl(216, 86%, 63%)
HSV	hsv(216, 67%, 95%)
CMYK	cmyk(67.4%, 40.1%, 0%, 5.1%)
CIE-LAB	lab(60.18, 9.69, -54.89)
CIE-LCH	lch(60.18, 55.74, 280.01°)
OKLab	oklab(65.94% -0.0331 -0.1565)
OKLCH	oklch(65.94% 0.16 258)
XYZ	xyz(29.3711, 28.3209, 87.9058)
Luminance	0.2832 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F91F2 #F2B04F

analogous

#4FE2F2 #4F91F2 #5F4FF2

triadic

#4F91F2 #F24F91 #91F24F

tetradic

#4F91F2 #F24FE2 #F2B04F #4FF25F

square

#4F91F2 #F24FE2 #F2B04F #4FF25F

split-complementary

#4F91F2 #F25F4F #E2F24F

monochromatic

#0E53B9 #166DEE #4F91F2 #88B5F6 #C1D8FA

Accessibility & contrast

On white

3.15

#4F91F2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.66

#4F91F2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F91F2

6.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F91F2	#FFFFFF	#000000	##000000
##4F91F2	1.00	3.15	6.66	6.66
#FFFFFF	3.15	1.00	21.00	21.00
#000000	6.66	21.00	1.00	1.00
##000000	6.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6499F6

Deuteranopia (green-blind)

#4B8AF0

Tritanopia (blue-blind)

#00A7B6

Achromatopsia (no color)

#919191

Design tokens & code

CSS

--color: #4f91f2;
/* rgb */ color: rgb(79, 145, 242);
/* oklch */ color: oklch(65.9% 0.160 258.0);

Tailwind

colors: {
  custom: {
    50: '#91b0f7',
    500: '#4f91f2',
    950: '#000000',
  },
}

SCSS

$custom: #4f91f2;
$custom-light: #91b0f7;
$custom-dark: #000000;

JSON

{
  "hex": "#4f91f2",
  "rgb": {
    "r": 79,
    "g": 145,
    "b": 242
  },
  "hsl": {
    "h": 215.706,
    "s": 86.243,
    "l": 62.941
  },
  "oklch": {
    "l": 0.6594,
    "c": 0.15997,
    "h": 258
  },
  "luminance": 0.28324
}

Semantic roles & 50–950 ramp

primary

#4F91F2

secondary

#ECD4B1

accent

#8803E3

background

#F9FAFF

surface

#F2F4FF

border

#CCCED7

text

#0E1017

muted

#7E7F85

Preview Lab

Preview with #4F91F2

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

Preview Lab → · Contrast checker → · Palette generator →