#404DA0#404DA0

#404DA0 is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.5% C 0.134 H 273.2°. Best body text is #FFFFFF at 7.53:1 contrast (WCAG AA passes).

Color values

HEX	#404DA0
RGB	rgb(64, 77, 160)
HSL	hsl(232, 43%, 44%)
HSV	hsv(232, 60%, 63%)
CMYK	cmyk(60%, 51.9%, 0%, 37.3%)
CIE-LAB	lab(35.86, 20.95, -46.79)
CIE-LCH	lch(35.86, 51.27, 294.12°)
OKLab	oklab(45.51% 0.0075 -0.1339)
OKLCH	oklch(45.51% 0.134 273.2)
XYZ	xyz(11.1113, 8.9349, 34.3900)
Luminance	0.0894 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404DA0 #A09340

analogous

#407DA0 #404DA0 #6340A0

triadic

#404DA0 #A0404D #4DA040

tetradic

#404DA0 #A0407D #A09340 #40A063

square

#404DA0 #A0407D #A09340 #40A063

split-complementary

#404DA0 #A06340 #7DA040

monochromatic

#1D2349 #2F3874 #404DA0 #5E6BBF #8A94D0

Accessibility & contrast

On white

7.53

#404DA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.79

#404DA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404DA0

7.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404DA0	#FFFFFF	#000000	##FFFFFF
##404DA0	1.00	7.53	2.79	7.53
#FFFFFF	7.53	1.00	21.00	1.00
#000000	2.79	21.00	1.00	21.00
##FFFFFF	7.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1F59A3

Deuteranopia (green-blind)

#08509E

Tritanopia (blue-blind)

#00606F

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #404da0;
/* rgb */ color: rgb(64, 77, 160);
/* oklch */ color: oklch(45.5% 0.134 273.2);

Tailwind

colors: {
  custom: {
    50: '#7e7ebd',
    500: '#404da0',
    950: '#000000',
  },
}

SCSS

$custom: #404da0;
$custom-light: #7e7ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#404da0",
  "rgb": {
    "r": 64,
    "g": 77,
    "b": 160
  },
  "hsl": {
    "h": 231.875,
    "s": 42.857,
    "l": 43.922
  },
  "oklch": {
    "l": 0.45506,
    "c": 0.13413,
    "h": 273.2
  },
  "luminance": 0.08936
}

Semantic roles & 50–950 ramp

primary

#404DA0

secondary

#BBB381

accent

#C255D3

background

#F8F7FB

surface

#EFEEF6

border

#CAC9D0

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #404DA0

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

Preview Lab → · Contrast checker → · Palette generator →