#4F55BC#4F55BC

#4F55BC is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.1% C 0.159 H 276.5°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#4F55BC
RGB	rgb(79, 85, 188)
HSL	hsl(237, 45%, 52%)
HSV	hsv(237, 58%, 74%)
CMYK	cmyk(58%, 54.8%, 0%, 26.3%)
CIE-LAB	lab(40.88, 28.28, -55.22)
CIE-LCH	lch(40.88, 62.04, 297.12°)
OKLab	oklab(50.15% 0.018 -0.1582)
OKLCH	oklch(50.15% 0.159 276.5)
XYZ	xyz(15.5471, 11.7890, 49.0234)
Luminance	0.1179 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F55BC #BCB64F

analogous

#4F8CBC #4F55BC #7F4FBC

triadic

#4F55BC #BC4F55 #55BC4F

tetradic

#4F55BC #BC4F8C #BCB64F #4FBC7F

square

#4F55BC #BC4F8C #BCB64F #4FBC7F

split-complementary

#4F55BC #BC7F4F #8CBC4F

monochromatic

#282B69 #393E95 #4F55BC #7B80CD #A8ABDE

Accessibility & contrast

On white

6.25

#4F55BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#4F55BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F55BC

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F55BC	#FFFFFF	#000000	##FFFFFF
##4F55BC	1.00	6.25	3.36	6.25
#FFFFFF	6.25	1.00	21.00	1.00
#000000	3.36	21.00	1.00	21.00
##FFFFFF	6.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E65C0

Deuteranopia (green-blind)

#005CBA

Tritanopia (blue-blind)

#046D80

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4f55bc;
/* rgb */ color: rgb(79, 85, 188);
/* oklch */ color: oklch(50.1% 0.159 276.5);

Tailwind

colors: {
  custom: {
    50: '#8a84d1',
    500: '#4f55bc',
    950: '#000000',
  },
}

SCSS

$custom: #4f55bc;
$custom-light: #8a84d1;
$custom-dark: #000000;

JSON

{
  "hex": "#4f55bc",
  "rgb": {
    "r": 79,
    "g": 85,
    "b": 188
  },
  "hsl": {
    "h": 236.697,
    "s": 44.856,
    "l": 52.353
  },
  "oklch": {
    "l": 0.50149,
    "c": 0.15927,
    "h": 276.5
  },
  "luminance": 0.1179
}

Semantic roles & 50–950 ramp

primary

#4F55BC

secondary

#CBC99C

accent

#CD53D5

background

#F8F8FC

surface

#F0EFF9

border

#CBCAD2

text

#0D0B14

muted

#7D7C82

Preview Lab

Preview with #4F55BC

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

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