#4D51EA#4D51EA

#4D51EA is a mid, highly saturated blue. Relative luminance 0.134; OKLCH L 53.1% C 0.225 H 274.5°. Best body text is #FFFFFF at 5.71:1 contrast (WCAG AA passes).

Color values

HEX	#4D51EA
RGB	rgb(77, 81, 234)
HSL	hsl(238, 79%, 61%)
HSV	hsv(238, 67%, 92%)
CMYK	cmyk(67.1%, 65.4%, 0%, 8.2%)
CIE-LAB	lab(43.36, 45.68, -77.61)
CIE-LCH	lch(43.36, 90.05, 300.48°)
OKLab	oklab(53.06% 0.0176 -0.2241)
OKLCH	oklch(53.06% 0.225 274.5)
XYZ	xyz(20.8494, 13.4012, 79.3139)
Luminance	0.1340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D51EA #EAE64D

analogous

#4D9FEA #4D51EA #974DEA

triadic

#4D51EA #EA4D51 #51EA4D

tetradic

#4D51EA #EA4D9F #EAE64D #4DEA97

square

#4D51EA #EA4D9F #EAE64D #4DEA97

split-complementary

#4D51EA #EA974D #9FEA4D

monochromatic

#1418A9 #1A1FDF #4D51EA #8487F0 #BABCF7

Accessibility & contrast

On white

5.71

#4D51EA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.68

#4D51EA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D51EA

5.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D51EA	#FFFFFF	#000000	##FFFFFF
##4D51EA	1.00	5.71	3.68	5.71
#FFFFFF	5.71	1.00	21.00	1.00
#000000	3.68	21.00	1.00	21.00
##FFFFFF	5.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EEF

Deuteranopia (green-blind)

#005FE7

Tritanopia (blue-blind)

#007997

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #4d51ea;
/* rgb */ color: rgb(77, 81, 234);
/* oklch */ color: oklch(53.1% 0.225 274.5);

Tailwind

colors: {
  custom: {
    50: '#9182f2',
    500: '#4d51ea',
    950: '#000000',
  },
}

SCSS

$custom: #4d51ea;
$custom-light: #9182f2;
$custom-dark: #000000;

JSON

{
  "hex": "#4d51ea",
  "rgb": {
    "r": 77,
    "g": 81,
    "b": 234
  },
  "hsl": {
    "h": 238.471,
    "s": 78.894,
    "l": 60.98
  },
  "oklch": {
    "l": 0.53055,
    "c": 0.22477,
    "h": 274.5
  },
  "luminance": 0.13403
}

Semantic roles & 50–950 ramp

primary

#4D51EA

secondary

#E7E5AC

accent

#D60ADB

background

#F9F8FE

surface

#F2EFFD

border

#CCCAD5

text

#0E0A17

muted

#7E7C85

Preview Lab

Preview with #4D51EA

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

Preview Lab → · Contrast checker → · Palette generator →