#4F55BF#4F55BF

#4F55BF is a mid, vivid blue. Relative luminance 0.119; OKLCH L 50.4% C 0.163 H 276.4°. Best body text is #FFFFFF at 6.21:1 contrast (WCAG AA passes).

Color values

HEX	#4F55BF
RGB	rgb(79, 85, 191)
HSL	hsl(237, 47%, 53%)
HSV	hsv(237, 59%, 75%)
CMYK	cmyk(58.6%, 55.5%, 0%, 25.1%)
CIE-LAB	lab(41.09, 29.28, -56.63)
CIE-LCH	lch(41.09, 63.76, 297.34°)
OKLab	oklab(50.37% 0.0181 -0.1624)
OKLCH	oklch(50.37% 0.163 276.4)
XYZ	xyz(15.8739, 11.9197, 50.7444)
Luminance	0.1192 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F55BF #BFB94F

analogous

#4F8DBF #4F55BF #814FBF

triadic

#4F55BF #BF4F55 #55BF4F

tetradic

#4F55BF #BF4F8D #BFB94F #4FBF81

square

#4F55BF #BF4F8D #BFB94F #4FBF81

split-complementary

#4F55BF #BF814F #8DBF4F

monochromatic

#272B6C #383D99 #4F55BF #7C80CF #A9ACE0

Accessibility & contrast

On white

6.21

#4F55BF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.38

#4F55BF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F55BF

6.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F55BF	#FFFFFF	#000000	##FFFFFF
##4F55BF	1.00	6.21	3.38	6.21
#FFFFFF	6.21	1.00	21.00	1.00
#000000	3.38	21.00	1.00	21.00
##FFFFFF	6.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0366C3

Deuteranopia (green-blind)

#005CBD

Tritanopia (blue-blind)

#006E82

Achromatopsia (no color)

#616161

Design tokens & code

CSS

--color: #4f55bf;
/* rgb */ color: rgb(79, 85, 191);
/* oklch */ color: oklch(50.4% 0.163 276.4);

Tailwind

colors: {
  custom: {
    50: '#8a84d3',
    500: '#4f55bf',
    950: '#000000',
  },
}

SCSS

$custom: #4f55bf;
$custom-light: #8a84d3;
$custom-dark: #000000;

JSON

{
  "hex": "#4f55bf",
  "rgb": {
    "r": 79,
    "g": 85,
    "b": 191
  },
  "hsl": {
    "h": 236.786,
    "s": 46.667,
    "l": 52.941
  },
  "oklch": {
    "l": 0.50372,
    "c": 0.16342,
    "h": 276.4
  },
  "luminance": 0.11921
}

Semantic roles & 50–950 ramp

primary

#4F55BF

secondary

#CDCB9D

accent

#CF51D6

background

#F9F8FD

surface

#F1EFFA

border

#CBCAD3

text

#0D0B14

muted

#7E7C83

Preview Lab

Preview with #4F55BF

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

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