#4F55CA#4F55CA

#4F55CA is a mid, vivid blue. Relative luminance 0.124; OKLCH L 51.2% C 0.178 H 275.9°. Best body text is #FFFFFF at 6.03:1 contrast (WCAG AA passes).

Color values

HEX	#4F55CA
RGB	rgb(79, 85, 202)
HSL	hsl(237, 54%, 55%)
HSV	hsv(237, 61%, 79%)
CMYK	cmyk(60.9%, 57.9%, 0%, 20.8%)
CIE-LAB	lab(41.88, 32.95, -61.74)
CIE-LCH	lch(41.88, 69.98, 298.09°)
OKLab	oklab(51.21% 0.0183 -0.1774)
OKLCH	oklch(51.21% 0.178 275.9)
XYZ	xyz(17.1302, 12.4222, 57.3607)
Luminance	0.1242 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F55CA #CAC44F

analogous

#4F93CA #4F55CA #864FCA

triadic

#4F55CA #CA4F55 #55CA4F

tetradic

#4F55CA #CA4F93 #CAC44F #4FCA86

square

#4F55CA #CA4F93 #CAC44F #4FCA86

split-complementary

#4F55CA #CA864F #93CA4F

monochromatic

#25297A #3339A9 #4F55CA #7E82D8 #ADB0E6

Accessibility & contrast

On white

6.03

#4F55CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.48

#4F55CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F55CA

6.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F55CA	#FFFFFF	#000000	##FFFFFF
##4F55CA	1.00	6.03	3.48	6.03
#FFFFFF	6.03	1.00	21.00	1.00
#000000	3.48	21.00	1.00	21.00
##FFFFFF	6.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068CE

Deuteranopia (green-blind)

#005EC8

Tritanopia (blue-blind)

#007187

Achromatopsia (no color)

#636363

Design tokens & code

CSS

--color: #4f55ca;
/* rgb */ color: rgb(79, 85, 202);
/* oklch */ color: oklch(51.2% 0.178 275.9);

Tailwind

colors: {
  custom: {
    50: '#8c85db',
    500: '#4f55ca',
    950: '#000000',
  },
}

SCSS

$custom: #4f55ca;
$custom-light: #8c85db;
$custom-dark: #000000;

JSON

{
  "hex": "#4f55ca",
  "rgb": {
    "r": 79,
    "g": 85,
    "b": 202
  },
  "hsl": {
    "h": 237.073,
    "s": 53.712,
    "l": 55.098
  },
  "oklch": {
    "l": 0.51211,
    "c": 0.17836,
    "h": 275.9
  },
  "luminance": 0.12424
}

Semantic roles & 50–950 ramp

primary

#4F55CA

secondary

#D4D2A1

accent

#D64BDD

background

#F9F8FD

surface

#F1EFFB

border

#CBCAD4

text

#0D0B15

muted

#7E7C83

Preview Lab

Preview with #4F55CA

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

Preview Lab → · Contrast checker → · Palette generator →