#404DA5#404DA5

#404DA5 is a mid, vivid blue. Relative luminance 0.091; OKLCH L 45.9% C 0.141 H 273.2°. Best body text is #FFFFFF at 7.44:1 contrast (WCAG AA passes).

Color values

HEX	#404DA5
RGB	rgb(64, 77, 165)
HSL	hsl(232, 44%, 45%)
HSV	hsv(232, 61%, 65%)
CMYK	cmyk(61.2%, 53.3%, 0%, 35.3%)
CIE-LAB	lab(36.20, 22.70, -49.23)
CIE-LCH	lch(36.20, 54.22, 294.76°)
OKLab	oklab(45.87% 0.0079 -0.1411)
OKLCH	oklch(45.87% 0.141 273.2)
XYZ	xyz(11.5575, 9.1134, 36.7400)
Luminance	0.0911 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404DA5 #A59840

analogous

#4080A5 #404DA5 #6540A5

triadic

#404DA5 #A5404D #4DA540

tetradic

#404DA5 #A54080 #A59840 #40A565

square

#404DA5 #A54080 #A59840 #40A565

split-complementary

#404DA5 #A56540 #80A540

monochromatic

#1E244D #2F3879 #404DA5 #616DC2 #8D96D3

Accessibility & contrast

On white

7.44

#404DA5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.82

#404DA5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404DA5

7.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404DA5	#FFFFFF	#000000	##FFFFFF
##404DA5	1.00	7.44	2.82	7.44
#FFFFFF	7.44	1.00	21.00	1.00
#000000	2.82	21.00	1.00	21.00
##FFFFFF	7.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#175AA8

Deuteranopia (green-blind)

#0051A3

Tritanopia (blue-blind)

#006171

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #404da5;
/* rgb */ color: rgb(64, 77, 165);
/* oklch */ color: oklch(45.9% 0.141 273.2);

Tailwind

colors: {
  custom: {
    50: '#7f7ec0',
    500: '#404da5',
    950: '#000000',
  },
}

SCSS

$custom: #404da5;
$custom-light: #7f7ec0;
$custom-dark: #000000;

JSON

{
  "hex": "#404da5",
  "rgb": {
    "r": 64,
    "g": 77,
    "b": 165
  },
  "hsl": {
    "h": 232.277,
    "s": 44.105,
    "l": 44.902
  },
  "oklch": {
    "l": 0.45874,
    "c": 0.14133,
    "h": 273.2
  },
  "luminance": 0.09114
}

Semantic roles & 50–950 ramp

primary

#404DA5

secondary

#BEB683

accent

#C354D4

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #404DA5

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

Preview Lab → · Contrast checker → · Palette generator →