#404AA1#404AA1

#404AA1 is a dark, vivid blue. Relative luminance 0.086; OKLCH L 45.0% C 0.140 H 274.4°. Best body text is #FFFFFF at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#404AA1
RGB	rgb(64, 74, 161)
HSL	hsl(234, 43%, 44%)
HSV	hsv(234, 60%, 63%)
CMYK	cmyk(60.2%, 54%, 0%, 36.9%)
CIE-LAB	lab(35.12, 23.26, -48.58)
CIE-LCH	lch(35.12, 53.86, 295.59°)
OKLab	oklab(44.97% 0.0107 -0.1392)
OKLCH	oklch(44.97% 0.14 274.4)
XYZ	xyz(10.9941, 8.5599, 34.7842)
Luminance	0.0856 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404AA1 #A19740

analogous

#407BA1 #404AA1 #6740A1

triadic

#404AA1 #A1404A #4AA140

tetradic

#404AA1 #A1407B #A19740 #40A167

square

#404AA1 #A1407B #A19740 #40A167

split-complementary

#404AA1 #A16740 #7BA140

monochromatic

#1D2249 #2F3675 #404AA1 #5F69BF #8B92D1

Accessibility & contrast

On white

7.74

#404AA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.71

#404AA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404AA1

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404AA1	#FFFFFF	#000000	##FFFFFF
##404AA1	1.00	7.74	2.71	7.74
#FFFFFF	7.74	1.00	21.00	1.00
#000000	2.71	21.00	1.00	21.00
##FFFFFF	7.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1457A4

Deuteranopia (green-blind)

#004F9F

Tritanopia (blue-blind)

#005E6E

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #404aa1;
/* rgb */ color: rgb(64, 74, 161);
/* oklch */ color: oklch(45.0% 0.140 274.4);

Tailwind

colors: {
  custom: {
    50: '#7e7cbd',
    500: '#404aa1',
    950: '#000000',
  },
}

SCSS

$custom: #404aa1;
$custom-light: #7e7cbd;
$custom-dark: #000000;

JSON

{
  "hex": "#404aa1",
  "rgb": {
    "r": 64,
    "g": 74,
    "b": 161
  },
  "hsl": {
    "h": 233.814,
    "s": 43.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.44974,
    "c": 0.13962,
    "h": 274.4
  },
  "luminance": 0.08561
}

Semantic roles & 50–950 ramp

primary

#404AA1

secondary

#BCB681

accent

#C655D3

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0912

muted

#7C7B81

Preview Lab

Preview with #404AA1

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

Preview Lab → · Contrast checker → · Palette generator →