#404D9D#404D9D

#404D9D is a mid, vivid blue. Relative luminance 0.088; OKLCH L 45.3% C 0.130 H 273.2°. Best body text is #FFFFFF at 7.59:1 contrast (WCAG AA passes).

Color values

HEX	#404D9D
RGB	rgb(64, 77, 157)
HSL	hsl(232, 42%, 43%)
HSV	hsv(232, 59%, 62%)
CMYK	cmyk(59.2%, 51%, 0%, 38.4%)
CIE-LAB	lab(35.66, 19.90, -45.31)
CIE-LCH	lch(35.66, 49.49, 293.71°)
OKLab	oklab(45.29% 0.0072 -0.1296)
OKLCH	oklch(45.29% 0.13 273.2)
XYZ	xyz(10.8520, 8.8312, 33.0245)
Luminance	0.0883 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404D9D #9D9040

analogous

#407B9D #404D9D #61409D

triadic

#404D9D #9D404D #4D9D40

tetradic

#404D9D #9D407B #9D9040 #409D61

square

#404D9D #9D407B #9D9040 #409D61

split-complementary

#404D9D #9D6140 #7B9D40

monochromatic

#1D2246 #2E3872 #404D9D #5D6BBD #8992CF

Accessibility & contrast

On white

7.59

#404D9D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.77

#404D9D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404D9D

7.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404D9D	#FFFFFF	#000000	##FFFFFF
##404D9D	1.00	7.59	2.77	7.59
#FFFFFF	7.59	1.00	21.00	1.00
#000000	2.77	21.00	1.00	21.00
##FFFFFF	7.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2358A0

Deuteranopia (green-blind)

#12509B

Tritanopia (blue-blind)

#005F6D

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #404d9d;
/* rgb */ color: rgb(64, 77, 157);
/* oklch */ color: oklch(45.3% 0.130 273.2);

Tailwind

colors: {
  custom: {
    50: '#7d7eba',
    500: '#404d9d',
    950: '#000000',
  },
}

SCSS

$custom: #404d9d;
$custom-light: #7d7eba;
$custom-dark: #000000;

JSON

{
  "hex": "#404d9d",
  "rgb": {
    "r": 64,
    "g": 77,
    "b": 157
  },
  "hsl": {
    "h": 231.613,
    "s": 42.081,
    "l": 43.333
  },
  "oklch": {
    "l": 0.45289,
    "c": 0.12977,
    "h": 273.2
  },
  "luminance": 0.08832
}

Semantic roles & 50–950 ramp

primary

#404D9D

secondary

#B9B17F

accent

#C156D2

background

#F8F7FB

surface

#EFEEF6

border

#CAC9D0

text

#0A0A12

muted

#7C7C81

Preview Lab

Preview with #404D9D

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

Preview Lab → · Contrast checker → · Palette generator →