#404EA2#404EA2

#404EA2 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.9% C 0.136 H 272.8°. Best body text is #FFFFFF at 7.42:1 contrast (WCAG AA passes).

Color values

HEX	#404EA2
RGB	rgb(64, 78, 162)
HSL	hsl(231, 43%, 44%)
HSV	hsv(231, 60%, 64%)
CMYK	cmyk(60.5%, 51.9%, 0%, 36.5%)
CIE-LAB	lab(36.26, 21.00, -47.34)
CIE-LCH	lch(36.26, 51.79, 293.92°)
OKLab	oklab(45.86% 0.0066 -0.1355)
OKLCH	oklch(45.86% 0.136 272.8)
XYZ	xyz(11.3582, 9.1465, 35.3423)
Luminance	0.0915 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404EA2 #A29440

analogous

#407FA2 #404EA2 #6340A2

triadic

#404EA2 #A2404E #4EA240

tetradic

#404EA2 #A2407F #A29440 #40A263

square

#404EA2 #A2407F #A29440 #40A263

split-complementary

#404EA2 #A26340 #7FA240

monochromatic

#1D244A #2F3976 #404EA2 #5F6DC0 #8B95D1

Accessibility & contrast

On white

7.42

#404EA2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.83

#404EA2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404EA2

7.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404EA2	#FFFFFF	#000000	##FFFFFF
##404EA2	1.00	7.42	2.83	7.42
#FFFFFF	7.42	1.00	21.00	1.00
#000000	2.83	21.00	1.00	21.00
##FFFFFF	7.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F5AA5

Deuteranopia (green-blind)

#0751A0

Tritanopia (blue-blind)

#006170

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #404ea2;
/* rgb */ color: rgb(64, 78, 162);
/* oklch */ color: oklch(45.9% 0.136 272.8);

Tailwind

colors: {
  custom: {
    50: '#7e7fbe',
    500: '#404ea2',
    950: '#000000',
  },
}

SCSS

$custom: #404ea2;
$custom-light: #7e7fbe;
$custom-dark: #000000;

JSON

{
  "hex": "#404ea2",
  "rgb": {
    "r": 64,
    "g": 78,
    "b": 162
  },
  "hsl": {
    "h": 231.429,
    "s": 43.363,
    "l": 44.314
  },
  "oklch": {
    "l": 0.45855,
    "c": 0.13567,
    "h": 272.8
  },
  "luminance": 0.09147
}

Semantic roles & 50–950 ramp

primary

#404EA2

secondary

#BCB482

accent

#C155D3

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #404EA2

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

Preview Lab → · Contrast checker → · Palette generator →