#4A51CA#4A51CA

#4A51CA is a mid, vivid blue. Relative luminance 0.116; OKLCH L 50.2% C 0.185 H 275.0°. Best body text is #FFFFFF at 6.32:1 contrast (WCAG AA passes).

Color values

HEX	#4A51CA
RGB	rgb(74, 81, 202)
HSL	hsl(237, 55%, 54%)
HSV	hsv(237, 63%, 79%)
CMYK	cmyk(63.4%, 59.9%, 0%, 20.8%)
CIE-LAB	lab(40.58, 34.62, -63.86)
CIE-LCH	lch(40.58, 72.64, 298.46°)
OKLab	oklab(50.16% 0.0162 -0.1838)
OKLCH	oklch(50.16% 0.185 275)
XYZ	xyz(16.4236, 11.6036, 57.2399)
Luminance	0.1161 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A51CA #CAC34A

analogous

#4A91CA #4A51CA #834ACA

triadic

#4A51CA #CA4A51 #51CA4A

tetradic

#4A51CA #CA4A91 #CAC34A #4ACA83

square

#4A51CA #CA4A91 #CAC34A #4ACA83

split-complementary

#4A51CA #CA834A #91CA4A

monochromatic

#232777 #3137A6 #4A51CA #797FD8 #A9ACE6

Accessibility & contrast

On white

6.32

#4A51CA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.32

#4A51CA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A51CA

6.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A51CA	#FFFFFF	#000000	##FFFFFF
##4A51CA	1.00	6.32	3.32	6.32
#FFFFFF	6.32	1.00	21.00	1.00
#000000	3.32	21.00	1.00	21.00
##FFFFFF	6.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065CE

Deuteranopia (green-blind)

#005AC8

Tritanopia (blue-blind)

#006F86

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4a51ca;
/* rgb */ color: rgb(74, 81, 202);
/* oklch */ color: oklch(50.2% 0.185 275.0);

Tailwind

colors: {
  custom: {
    50: '#8a82db',
    500: '#4a51ca',
    950: '#000000',
  },
}

SCSS

$custom: #4a51ca;
$custom-light: #8a82db;
$custom-dark: #000000;

JSON

{
  "hex": "#4a51ca",
  "rgb": {
    "r": 74,
    "g": 81,
    "b": 202
  },
  "hsl": {
    "h": 236.719,
    "s": 54.701,
    "l": 54.118
  },
  "oklch": {
    "l": 0.50163,
    "c": 0.18455,
    "h": 275
  },
  "luminance": 0.11605
}

Semantic roles & 50–950 ramp

primary

#4A51CA

secondary

#D3D09D

accent

#D64ADE

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4A51CA

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

Preview Lab → · Contrast checker → · Palette generator →