#4D51EC#4D51EC

#4D51EC is a mid, highly saturated blue. Relative luminance 0.135; OKLCH L 53.2% C 0.227 H 274.4°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#4D51EC
RGB	rgb(77, 81, 236)
HSL	hsl(238, 81%, 61%)
HSV	hsv(238, 67%, 93%)
CMYK	cmyk(67.4%, 65.7%, 0%, 7.5%)
CIE-LAB	lab(43.53, 46.33, -78.46)
CIE-LCH	lch(43.53, 91.11, 300.56°)
OKLab	oklab(53.23% 0.0174 -0.2266)
OKLCH	oklch(53.23% 0.227 274.4)
XYZ	xyz(21.1383, 13.5168, 80.8356)
Luminance	0.1352 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D51EC #ECE84D

analogous

#4DA0EC #4D51EC #994DEC

triadic

#4D51EC #EC4D51 #51EC4D

tetradic

#4D51EC #EC4DA0 #ECE84D #4DEC99

square

#4D51EC #EC4DA0 #ECE84D #4DEC99

split-complementary

#4D51EC #EC994D #A0EC4D

monochromatic

#1216AC #181DE4 #4D51EC #8487F2 #BCBDF8

Accessibility & contrast

On white

5.67

#4D51EC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#4D51EC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D51EC

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D51EC	#FFFFFF	#000000	##FFFFFF
##4D51EC	1.00	5.67	3.70	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006EF1

Deuteranopia (green-blind)

#0060E9

Tritanopia (blue-blind)

#007A98

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #4d51ec;
/* rgb */ color: rgb(77, 81, 236);
/* oklch */ color: oklch(53.2% 0.227 274.4);

Tailwind

colors: {
  custom: {
    50: '#9282f3',
    500: '#4d51ec',
    950: '#000000',
  },
}

SCSS

$custom: #4d51ec;
$custom-light: #9282f3;
$custom-dark: #000000;

JSON

{
  "hex": "#4d51ec",
  "rgb": {
    "r": 77,
    "g": 81,
    "b": 236
  },
  "hsl": {
    "h": 238.491,
    "s": 80.711,
    "l": 61.373
  },
  "oklch": {
    "l": 0.53231,
    "c": 0.22724,
    "h": 274.4
  },
  "luminance": 0.13519
}

Semantic roles & 50–950 ramp

primary

#4D51EC

secondary

#E8E7AD

accent

#D808DD

background

#F9F8FF

surface

#F2EFFE

border

#CCCAD6

text

#0F0A17

muted

#7E7C85

Preview Lab

Preview with #4D51EC

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

Preview Lab → · Contrast checker → · Palette generator →