#4F55C8#4F55C8

#4F55C8 is a mid, vivid blue. Relative luminance 0.123; OKLCH L 51.1% C 0.176 H 276.0°. Best body text is #FFFFFF at 6.06:1 contrast (WCAG AA passes).

Color values

HEX	#4F55C8
RGB	rgb(79, 85, 200)
HSL	hsl(237, 52%, 55%)
HSV	hsv(237, 61%, 78%)
CMYK	cmyk(60.5%, 57.5%, 0%, 21.6%)
CIE-LAB	lab(41.73, 32.28, -60.82)
CIE-LCH	lch(41.73, 68.85, 297.96°)
OKLab	oklab(51.06% 0.0183 -0.1747)
OKLCH	oklch(51.06% 0.176 276)
XYZ	xyz(16.8949, 12.3281, 56.1216)
Luminance	0.1233 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F55C8 #C8C24F

analogous

#4F91C8 #4F55C8 #864FC8

triadic

#4F55C8 #C84F55 #55C84F

tetradic

#4F55C8 #C84F91 #C8C24F #4FC886

square

#4F55C8 #C84F91 #C8C24F #4FC886

split-complementary

#4F55C8 #C8864F #91C84F

monochromatic

#252977 #343AA6 #4F55C8 #7E82D7 #ACAFE5

Accessibility & contrast

On white

6.06

#4F55C8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.47

#4F55C8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F55C8

6.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F55C8	#FFFFFF	#000000	##FFFFFF
##4F55C8	1.00	6.06	3.47	6.06
#FFFFFF	6.06	1.00	21.00	1.00
#000000	3.47	21.00	1.00	21.00
##FFFFFF	6.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068CC

Deuteranopia (green-blind)

#005DC6

Tritanopia (blue-blind)

#007186

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #4f55c8;
/* rgb */ color: rgb(79, 85, 200);
/* oklch */ color: oklch(51.1% 0.176 276.0);

Tailwind

colors: {
  custom: {
    50: '#8c85d9',
    500: '#4f55c8',
    950: '#000000',
  },
}

SCSS

$custom: #4f55c8;
$custom-light: #8c85d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4f55c8",
  "rgb": {
    "r": 79,
    "g": 85,
    "b": 200
  },
  "hsl": {
    "h": 237.025,
    "s": 52.381,
    "l": 54.706
  },
  "oklch": {
    "l": 0.51056,
    "c": 0.17566,
    "h": 276
  },
  "luminance": 0.12329
}

Semantic roles & 50–950 ramp

primary

#4F55C8

secondary

#D3D0A0

accent

#D54CDC

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4F55C8

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

Preview Lab → · Contrast checker → · Palette generator →