#4B40E8#4B40E8

#4B40E8 is a mid, highly saturated blue. Relative luminance 0.110; OKLCH L 50.2% C 0.240 H 276.2°. Best body text is #FFFFFF at 6.57:1 contrast (WCAG AA passes).

Color values

HEX	#4B40E8
RGB	rgb(75, 64, 232)
HSL	hsl(244, 79%, 58%)
HSV	hsv(244, 72%, 91%)
CMYK	cmyk(67.7%, 72.4%, 0%, 9%)
CIE-LAB	lab(39.56, 54.39, -82.73)
CIE-LCH	lch(39.56, 99.00, 303.32°)
OKLab	oklab(50.23% 0.0261 -0.2391)
OKLCH	oklch(50.23% 0.241 276.2)
XYZ	xyz(19.2958, 10.9871, 77.4321)
Luminance	0.1099 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B40E8 #DDE840

analogous

#4089E8 #4B40E8 #9F40E8

triadic

#4B40E8 #E84B40 #40E84B

tetradic

#4B40E8 #E84089 #DDE840 #40E89F

square

#4B40E8 #E84089 #DDE840 #40E89F

split-complementary

#4B40E8 #E89F40 #89E840

monochromatic

#1C139B #2519D2 #4B40E8 #7E77EF #B2ADF5

Accessibility & contrast

On white

6.57

#4B40E8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.20

#4B40E8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B40E8

6.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B40E8	#FFFFFF	#000000	##FFFFFF
##4B40E8	1.00	6.57	3.20	6.57
#FFFFFF	6.57	1.00	21.00	1.00
#000000	3.20	21.00	1.00	21.00
##FFFFFF	6.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064ED

Deuteranopia (green-blind)

#0056E5

Tritanopia (blue-blind)

#007090

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4b40e8;
/* rgb */ color: rgb(75, 64, 232);
/* oklch */ color: oklch(50.2% 0.240 276.2);

Tailwind

colors: {
  custom: {
    50: '#9277f1',
    500: '#4b40e8',
    950: '#000000',
  },
}

SCSS

$custom: #4b40e8;
$custom-light: #9277f1;
$custom-dark: #000000;

JSON

{
  "hex": "#4b40e8",
  "rgb": {
    "r": 75,
    "g": 64,
    "b": 232
  },
  "hsl": {
    "h": 243.929,
    "s": 78.505,
    "l": 58.039
  },
  "oklch": {
    "l": 0.50234,
    "c": 0.2405,
    "h": 276.2
  },
  "luminance": 0.10989
}

Semantic roles & 50–950 ramp

primary

#4B40E8

secondary

#DFE3A0

accent

#F533E8

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0F0917

muted

#7E7B85

Preview Lab

Preview with #4B40E8

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

Preview Lab → · Contrast checker → · Palette generator →