#404DA1#404DA1

#404DA1 is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.6% C 0.136 H 273.2°. Best body text is #FFFFFF at 7.52:1 contrast (WCAG AA passes).

Color values

HEX	#404DA1
RGB	rgb(64, 77, 161)
HSL	hsl(232, 43%, 44%)
HSV	hsv(232, 60%, 63%)
CMYK	cmyk(60.2%, 52.2%, 0%, 36.9%)
CIE-LAB	lab(35.93, 21.30, -47.28)
CIE-LCH	lch(35.93, 51.86, 294.25°)
OKLab	oklab(45.58% 0.0076 -0.1354)
OKLCH	oklch(45.58% 0.136 273.2)
XYZ	xyz(11.1991, 8.9701, 34.8525)
Luminance	0.0897 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404DA1 #A19440

analogous

#407EA1 #404DA1 #6440A1

triadic

#404DA1 #A1404D #4DA140

tetradic

#404DA1 #A1407E #A19440 #40A164

square

#404DA1 #A1407E #A19440 #40A164

split-complementary

#404DA1 #A16440 #7EA140

monochromatic

#1D2349 #2F3875 #404DA1 #5F6CBF #8B94D1

Accessibility & contrast

On white

7.52

#404DA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#404DA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404DA1

7.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404DA1	#FFFFFF	#000000	##FFFFFF
##404DA1	1.00	7.52	2.79	7.52
#FFFFFF	7.52	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E59A4

Deuteranopia (green-blind)

#05509F

Tritanopia (blue-blind)

#00606F

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #404da1;
/* rgb */ color: rgb(64, 77, 161);
/* oklch */ color: oklch(45.6% 0.136 273.2);

Tailwind

colors: {
  custom: {
    50: '#7e7ebd',
    500: '#404da1',
    950: '#000000',
  },
}

SCSS

$custom: #404da1;
$custom-light: #7e7ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#404da1",
  "rgb": {
    "r": 64,
    "g": 77,
    "b": 161
  },
  "hsl": {
    "h": 231.959,
    "s": 43.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.45579,
    "c": 0.13557,
    "h": 273.2
  },
  "luminance": 0.08971
}

Semantic roles & 50–950 ramp

primary

#404DA1

secondary

#BCB481

accent

#C255D3

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #404DA1

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

Preview Lab → · Contrast checker → · Palette generator →