#4C40E8#4C40E8

#4C40E8 is a mid, highly saturated blue. Relative luminance 0.110; OKLCH L 50.3% C 0.240 H 276.5°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#4C40E8
RGB	rgb(76, 64, 232)
HSL	hsl(244, 79%, 58%)
HSV	hsv(244, 72%, 91%)
CMYK	cmyk(67.2%, 72.4%, 0%, 9%)
CIE-LAB	lab(39.63, 54.49, -82.61)
CIE-LCH	lch(39.63, 98.96, 303.41°)
OKLab	oklab(50.3% 0.0273 -0.2387)
OKLCH	oklch(50.3% 0.24 276.5)
XYZ	xyz(19.3746, 11.0278, 77.4358)
Luminance	0.1103 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C40E8 #DCE840

analogous

#4088E8 #4C40E8 #A040E8

triadic

#4C40E8 #E84C40 #40E84C

tetradic

#4C40E8 #E84088 #DCE840 #40E8A0

square

#4C40E8 #E84088 #DCE840 #40E8A0

split-complementary

#4C40E8 #E8A040 #88E840

monochromatic

#1C139B #2619D2 #4C40E8 #7F77EF #B2ADF5

Accessibility & contrast

On white

6.55

#4C40E8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#4C40E8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C40E8

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C40E8	#FFFFFF	#000000	##FFFFFF
##4C40E8	1.00	6.55	3.21	6.55
#FFFFFF	6.55	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064ED

Deuteranopia (green-blind)

#0056E5

Tritanopia (blue-blind)

#007091

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4c40e8;
/* rgb */ color: rgb(76, 64, 232);
/* oklch */ color: oklch(50.3% 0.240 276.5);

Tailwind

colors: {
  custom: {
    50: '#9277f1',
    500: '#4c40e8',
    950: '#000000',
  },
}

SCSS

$custom: #4c40e8;
$custom-light: #9277f1;
$custom-dark: #000000;

JSON

{
  "hex": "#4c40e8",
  "rgb": {
    "r": 76,
    "g": 64,
    "b": 232
  },
  "hsl": {
    "h": 244.286,
    "s": 78.505,
    "l": 58.039
  },
  "oklch": {
    "l": 0.503,
    "c": 0.24027,
    "h": 276.5
  },
  "luminance": 0.11029
}

Semantic roles & 50–950 ramp

primary

#4C40E8

secondary

#DFE3A0

accent

#F533E7

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0F0917

muted

#7E7B85

Preview Lab

Preview with #4C40E8

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

Preview Lab → · Contrast checker → · Palette generator →