#404DA7#404DA7

#404DA7 is a mid, vivid blue. Relative luminance 0.092; OKLCH L 46.0% C 0.144 H 273.2°. Best body text is #FFFFFF at 7.40:1 contrast (WCAG AA passes).

Color values

HEX	#404DA7
RGB	rgb(64, 77, 167)
HSL	hsl(232, 45%, 45%)
HSV	hsv(232, 62%, 65%)
CMYK	cmyk(61.7%, 53.9%, 0%, 34.5%)
CIE-LAB	lab(36.34, 23.41, -50.20)
CIE-LCH	lch(36.34, 55.39, 295.00°)
OKLab	oklab(46.02% 0.008 -0.144)
OKLCH	oklch(46.02% 0.144 273.2)
XYZ	xyz(11.7410, 9.1868, 37.7062)
Luminance	0.0919 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404DA7 #A79A40

analogous

#4081A7 #404DA7 #6640A7

triadic

#404DA7 #A7404D #4DA740

tetradic

#404DA7 #A74081 #A79A40 #40A766

square

#404DA7 #A74081 #A79A40 #40A766

split-complementary

#404DA7 #A76640 #81A740

monochromatic

#1E244F #2F397B #404DA7 #626EC3 #8E97D4

Accessibility & contrast

On white

7.40

#404DA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.84

#404DA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404DA7

7.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404DA7	#FFFFFF	#000000	##FFFFFF
##404DA7	1.00	7.40	2.84	7.40
#FFFFFF	7.40	1.00	21.00	1.00
#000000	2.84	21.00	1.00	21.00
##FFFFFF	7.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#145AAA

Deuteranopia (green-blind)

#0051A5

Tritanopia (blue-blind)

#006272

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #404da7;
/* rgb */ color: rgb(64, 77, 167);
/* oklch */ color: oklch(46.0% 0.144 273.2);

Tailwind

colors: {
  custom: {
    50: '#7f7ec2',
    500: '#404da7',
    950: '#000000',
  },
}

SCSS

$custom: #404da7;
$custom-light: #7f7ec2;
$custom-dark: #000000;

JSON

{
  "hex": "#404da7",
  "rgb": {
    "r": 64,
    "g": 77,
    "b": 167
  },
  "hsl": {
    "h": 232.427,
    "s": 44.589,
    "l": 45.294
  },
  "oklch": {
    "l": 0.46023,
    "c": 0.14418,
    "h": 273.2
  },
  "luminance": 0.09188
}

Semantic roles & 50–950 ramp

primary

#404DA7

secondary

#BFB784

accent

#C454D4

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #404DA7

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

Preview Lab → · Contrast checker → · Palette generator →