#404EA0#404EA0

#404EA0 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.7% C 0.133 H 272.8°. Best body text is #FFFFFF at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#404EA0
RGB	rgb(64, 78, 160)
HSL	hsl(231, 43%, 44%)
HSV	hsv(231, 60%, 63%)
CMYK	cmyk(60%, 51.2%, 0%, 37.3%)
CIE-LAB	lab(36.13, 20.30, -46.35)
CIE-LCH	lch(36.13, 50.60, 293.65°)
OKLab	oklab(45.71% 0.0064 -0.1326)
OKLCH	oklch(45.71% 0.133 272.8)
XYZ	xyz(11.1818, 9.0760, 34.4135)
Luminance	0.0908 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404EA0 #A09240

analogous

#407EA0 #404EA0 #6240A0

triadic

#404EA0 #A0404E #4EA040

tetradic

#404EA0 #A0407E #A09240 #40A062

square

#404EA0 #A0407E #A09240 #40A062

split-complementary

#404EA0 #A06240 #7EA040

monochromatic

#1D2349 #2F3974 #404EA0 #5E6CBF #8A94D0

Accessibility & contrast

On white

7.46

#404EA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#404EA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404EA0

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404EA0	#FFFFFF	#000000	##FFFFFF
##404EA0	1.00	7.46	2.82	7.46
#FFFFFF	7.46	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2259A3

Deuteranopia (green-blind)

#0E519E

Tritanopia (blue-blind)

#00616F

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #404ea0;
/* rgb */ color: rgb(64, 78, 160);
/* oklch */ color: oklch(45.7% 0.133 272.8);

Tailwind

colors: {
  custom: {
    50: '#7e7fbd',
    500: '#404ea0',
    950: '#000000',
  },
}

SCSS

$custom: #404ea0;
$custom-light: #7e7fbd;
$custom-dark: #000000;

JSON

{
  "hex": "#404ea0",
  "rgb": {
    "r": 64,
    "g": 78,
    "b": 160
  },
  "hsl": {
    "h": 231.25,
    "s": 42.857,
    "l": 43.922
  },
  "oklch": {
    "l": 0.45711,
    "c": 0.13278,
    "h": 272.8
  },
  "luminance": 0.09077
}

Semantic roles & 50–950 ramp

primary

#404EA0

secondary

#BBB381

accent

#C055D3

background

#F8F7FB

surface

#EFEEF6

border

#CAC9D0

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #404EA0

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

Preview Lab → · Contrast checker → · Palette generator →