#4A51CE#4A51CE

#4A51CE is a mid, vivid blue. Relative luminance 0.118; OKLCH L 50.5% C 0.190 H 274.9°. Best body text is #FFFFFF at 6.25:1 contrast (WCAG AA passes).

Color values

HEX	#4A51CE
RGB	rgb(74, 81, 206)
HSL	hsl(237, 57%, 55%)
HSV	hsv(237, 64%, 81%)
CMYK	cmyk(64.1%, 60.7%, 0%, 19.2%)
CIE-LAB	lab(40.89, 35.97, -65.67)
CIE-LCH	lch(40.89, 74.87, 298.71°)
OKLab	oklab(50.49% 0.0161 -0.1891)
OKLCH	oklch(50.49% 0.19 274.9)
XYZ	xyz(16.9034, 11.7955, 59.7665)
Luminance	0.1180 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4A51CE #CEC74A

analogous

#4A93CE #4A51CE #854ACE

triadic

#4A51CE #CE4A51 #51CE4A

tetradic

#4A51CE #CE4A93 #CEC74A #4ACE85

square

#4A51CE #CE4A93 #CEC74A #4ACE85

split-complementary

#4A51CE #CE854A #93CE4A

monochromatic

#22267C #2F35AC #4A51CE #7A7FDB #AAAEE8

Accessibility & contrast

On white

6.25

#4A51CE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.36

#4A51CE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4A51CE

6.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4A51CE	#FFFFFF	#000000	##FFFFFF
##4A51CE	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)

#0066D2

Deuteranopia (green-blind)

#005BCC

Tritanopia (blue-blind)

#007088

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #4a51ce;
/* rgb */ color: rgb(74, 81, 206);
/* oklch */ color: oklch(50.5% 0.190 274.9);

Tailwind

colors: {
  custom: {
    50: '#8b82de',
    500: '#4a51ce',
    950: '#000000',
  },
}

SCSS

$custom: #4a51ce;
$custom-light: #8b82de;
$custom-dark: #000000;

JSON

{
  "hex": "#4a51ce",
  "rgb": {
    "r": 74,
    "g": 81,
    "b": 206
  },
  "hsl": {
    "h": 236.818,
    "s": 57.391,
    "l": 54.902
  },
  "oklch": {
    "l": 0.50489,
    "c": 0.18982,
    "h": 274.9
  },
  "luminance": 0.11797
}

Semantic roles & 50–950 ramp

primary

#4A51CE

secondary

#D6D39E

accent

#D847E1

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #4A51CE

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

Preview Lab → · Contrast checker → · Palette generator →