#404EA7#404EA7

#404EA7 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.2% C 0.143 H 272.8°. Best body text is #FFFFFF at 7.33:1 contrast (WCAG AA passes).

Color values

HEX	#404EA7
RGB	rgb(64, 78, 167)
HSL	hsl(232, 45%, 45%)
HSV	hsv(232, 62%, 65%)
CMYK	cmyk(61.7%, 53.3%, 0%, 34.5%)
CIE-LAB	lab(36.61, 22.75, -49.77)
CIE-LCH	lch(36.61, 54.73, 294.57°)
OKLab	oklab(46.22% 0.007 -0.1427)
OKLCH	oklch(46.22% 0.143 272.8)
XYZ	xyz(11.8115, 9.3278, 37.7297)
Luminance	0.0933 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404EA7 #A79940

analogous

#4081A7 #404EA7 #6640A7

triadic

#404EA7 #A7404E #4EA740

tetradic

#404EA7 #A74081 #A79940 #40A766

square

#404EA7 #A74081 #A79940 #40A766

split-complementary

#404EA7 #A76640 #81A740

monochromatic

#1E254F #2F397B #404EA7 #626FC3 #8E97D4

Accessibility & contrast

On white

7.33

#404EA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.87

#404EA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404EA7

7.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404EA7	#FFFFFF	#000000	##FFFFFF
##404EA7	1.00	7.33	2.87	7.33
#FFFFFF	7.33	1.00	21.00	1.00
#000000	2.87	21.00	1.00	21.00
##FFFFFF	7.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#175BAA

Deuteranopia (green-blind)

#0052A5

Tritanopia (blue-blind)

#006373

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #404ea7;
/* rgb */ color: rgb(64, 78, 167);
/* oklch */ color: oklch(46.2% 0.143 272.8);

Tailwind

colors: {
  custom: {
    50: '#7f7fc2',
    500: '#404ea7',
    950: '#000000',
  },
}

SCSS

$custom: #404ea7;
$custom-light: #7f7fc2;
$custom-dark: #000000;

JSON

{
  "hex": "#404ea7",
  "rgb": {
    "r": 64,
    "g": 78,
    "b": 167
  },
  "hsl": {
    "h": 231.845,
    "s": 44.589,
    "l": 45.294
  },
  "oklch": {
    "l": 0.46224,
    "c": 0.14285,
    "h": 272.8
  },
  "luminance": 0.09329
}

Semantic roles & 50–950 ramp

primary

#404EA7

secondary

#BFB784

accent

#C354D4

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #404EA7

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

Preview Lab → · Contrast checker → · Palette generator →