#403CE5#403CE5

#403CE5 is a mid, highly saturated blue. Relative luminance 0.100; OKLCH L 48.7% C 0.243 H 273.6°. Best body text is #FFFFFF at 7.01:1 contrast (WCAG AA passes).

Color values

HEX	#403CE5
RGB	rgb(64, 60, 229)
HSL	hsl(241, 76%, 57%)
HSV	hsv(241, 74%, 90%)
CMYK	cmyk(72.1%, 73.8%, 0%, 10.2%)
CIE-LAB	lab(37.80, 54.53, -83.95)
CIE-LCH	lch(37.80, 100.10, 303.01°)
OKLab	oklab(48.72% 0.0154 -0.2428)
OKLCH	oklch(48.72% 0.243 273.6)
XYZ	xyz(17.8684, 9.9770, 75.0976)
Luminance	0.0998 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403CE5 #E1E53C

analogous

#3C8DE5 #403CE5 #953CE5

triadic

#403CE5 #E5403C #3CE540

tetradic

#403CE5 #E53C8D #E1E53C #3CE595

square

#403CE5 #E53C8D #E1E53C #3CE595

split-complementary

#403CE5 #E5953C #8DE53C

monochromatic

#171493 #1F1BC9 #403CE5 #7572EC #AAA8F3

Accessibility & contrast

On white

7.01

#403CE5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

3.00

#403CE5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #403CE5

7.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403CE5	#FFFFFF	#000000	##FFFFFF
##403CE5	1.00	7.01	3.00	7.01
#FFFFFF	7.01	1.00	21.00	1.00
#000000	3.00	21.00	1.00	21.00
##FFFFFF	7.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061EA

Deuteranopia (green-blind)

#0051E2

Tritanopia (blue-blind)

#006D8E

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #403ce5;
/* rgb */ color: rgb(64, 60, 229);
/* oklch */ color: oklch(48.7% 0.243 273.6);

Tailwind

colors: {
  custom: {
    50: '#8d74ef',
    500: '#403ce5',
    950: '#000000',
  },
}

SCSS

$custom: #403ce5;
$custom-light: #8d74ef;
$custom-dark: #000000;

JSON

{
  "hex": "#403ce5",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 229
  },
  "hsl": {
    "h": 241.42,
    "s": 76.471,
    "l": 56.667
  },
  "oklch": {
    "l": 0.48715,
    "c": 0.24334,
    "h": 273.6
  },
  "luminance": 0.09979
}

Semantic roles & 50–950 ramp

primary

#403CE5

secondary

#DFE19C

accent

#F335EF

background

#F9F7FE

surface

#F2EDFD

border

#CCC8D5

text

#0E0817

muted

#7E7B85

Preview Lab

Preview with #403CE5

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

Preview Lab → · Contrast checker → · Palette generator →