#4148DE#4148DE

#4148DE is a mid, highly saturated blue. Relative luminance 0.110; OKLCH L 49.8% C 0.223 H 272.9°. Best body text is #FFFFFF at 6.55:1 contrast (WCAG AA passes).

Color values

HEX	#4148DE
RGB	rgb(65, 72, 222)
HSL	hsl(237, 70%, 56%)
HSV	hsv(237, 71%, 87%)
CMYK	cmyk(70.7%, 67.6%, 0%, 12.9%)
CIE-LAB	lab(39.63, 45.61, -76.94)
CIE-LCH	lch(39.63, 89.44, 300.66°)
OKLab	oklab(49.84% 0.0113 -0.2224)
OKLCH	oklch(49.84% 0.223 272.9)
XYZ	xyz(17.6777, 11.0307, 70.2906)
Luminance	0.1103 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 4.99

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4148DE #DED741

analogous

#4197DE #4148DE #8941DE

triadic

#4148DE #DE4148 #48DE41

tetradic

#4148DE #DE4197 #DED741 #41DE89

square

#4148DE #DE4197 #DED741 #41DE89

split-complementary

#4148DE #DE8941 #97DE41

monochromatic

#181E8C #2129C0 #4148DE #757AE7 #A9ACF0

Accessibility & contrast

On white

6.55

#4148DE on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#4148DE on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4148DE

6.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4148DE	#FFFFFF	#000000	##FFFFFF
##4148DE	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)

#0065E3

Deuteranopia (green-blind)

#0056DB

Tritanopia (blue-blind)

#00718D

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #4148de;
/* rgb */ color: rgb(65, 72, 222);
/* oklch */ color: oklch(49.8% 0.223 272.9);

Tailwind

colors: {
  custom: {
    50: '#8b7cea',
    500: '#4148de',
    950: '#000000',
  },
}

SCSS

$custom: #4148de;
$custom-light: #8b7cea;
$custom-dark: #000000;

JSON

{
  "hex": "#4148de",
  "rgb": {
    "r": 65,
    "g": 72,
    "b": 222
  },
  "hsl": {
    "h": 237.325,
    "s": 70.404,
    "l": 56.275
  },
  "oklch": {
    "l": 0.49841,
    "c": 0.22271,
    "h": 272.9
  },
  "luminance": 0.11032
}

Semantic roles & 50–950 ramp

primary

#4148DE

secondary

#DEDB9D

accent

#E53BED

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0E0916

muted

#7E7B84

Preview Lab

Preview with #4148DE

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

Preview Lab → · Contrast checker → · Palette generator →