#404FC1#404FC1

#404FC1 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 48.4% C 0.178 H 272.2°. Best body text is #FFFFFF at 6.76:1 contrast (WCAG AA passes).

Color values

HEX	#404FC1
RGB	rgb(64, 79, 193)
HSL	hsl(233, 51%, 50%)
HSV	hsv(233, 67%, 76%)
CMYK	cmyk(66.8%, 59.1%, 0%, 24.3%)
CIE-LAB	lab(38.78, 31.25, -61.59)
CIE-LCH	lch(38.78, 69.07, 296.90°)
OKLab	oklab(48.45% 0.007 -0.1774)
OKLCH	oklch(48.45% 0.178 272.2)
XYZ	xyz(14.5327, 10.5309, 51.7085)
Luminance	0.1053 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404FC1 #C1B240

analogous

#4090C1 #404FC1 #7140C1

triadic

#404FC1 #C1404F #4FC140

tetradic

#404FC1 #C14090 #C1B240 #40C171

square

#404FC1 #C14090 #C1B240 #40C171

split-complementary

#404FC1 #C17140 #90C140

monochromatic

#212966 #303C94 #404FC1 #6E7AD0 #9CA4DF

Accessibility & contrast

On white

6.76

#404FC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.11

#404FC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404FC1

6.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404FC1	#FFFFFF	#000000	##FFFFFF
##404FC1	1.00	6.76	3.11	6.76
#FFFFFF	6.76	1.00	21.00	1.00
#000000	3.11	21.00	1.00	21.00
##FFFFFF	6.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061C5

Deuteranopia (green-blind)

#0056BF

Tritanopia (blue-blind)

#006B80

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #404fc1;
/* rgb */ color: rgb(64, 79, 193);
/* oklch */ color: oklch(48.4% 0.178 272.2);

Tailwind

colors: {
  custom: {
    50: '#8480d5',
    500: '#404fc1',
    950: '#000000',
  },
}

SCSS

$custom: #404fc1;
$custom-light: #8480d5;
$custom-dark: #000000;

JSON

{
  "hex": "#404fc1",
  "rgb": {
    "r": 64,
    "g": 79,
    "b": 193
  },
  "hsl": {
    "h": 233.023,
    "s": 50.988,
    "l": 50.392
  },
  "oklch": {
    "l": 0.4845,
    "c": 0.17757,
    "h": 272.2
  },
  "luminance": 0.10532
}

Semantic roles & 50–950 ramp

primary

#404FC1

secondary

#CBC492

accent

#CA4DDA

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #404FC1

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

Preview Lab → · Contrast checker → · Palette generator →