#404FA1#404FA1

#404FA1 is a mid, vivid blue. Relative luminance 0.093; OKLCH L 46.0% C 0.133 H 272.4°. Best body text is #FFFFFF at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#404FA1
RGB	rgb(64, 79, 161)
HSL	hsl(231, 43%, 44%)
HSV	hsv(231, 60%, 63%)
CMYK	cmyk(60.2%, 50.9%, 0%, 36.9%)
CIE-LAB	lab(36.47, 19.99, -46.41)
CIE-LCH	lch(36.47, 50.53, 293.31°)
OKLab	oklab(45.99% 0.0055 -0.1328)
OKLCH	oklch(45.99% 0.133 272.4)
XYZ	xyz(11.3412, 9.2543, 34.8999)
Luminance	0.0925 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404FA1 #A19240

analogous

#4080A1 #404FA1 #6240A1

triadic

#404FA1 #A1404F #4FA140

tetradic

#404FA1 #A14080 #A19240 #40A162

square

#404FA1 #A14080 #A19240 #40A162

split-complementary

#404FA1 #A16240 #80A140

monochromatic

#1D2449 #2F3A75 #404FA1 #5F6EBF #8B95D1

Accessibility & contrast

On white

7.37

#404FA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.85

#404FA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404FA1

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404FA1	#FFFFFF	#000000	##FFFFFF
##404FA1	1.00	7.37	2.85	7.37
#FFFFFF	7.37	1.00	21.00	1.00
#000000	2.85	21.00	1.00	21.00
##FFFFFF	7.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#235AA4

Deuteranopia (green-blind)

#0F529F

Tritanopia (blue-blind)

#006270

Achromatopsia (no color)

#565656

Design tokens & code

CSS

--color: #404fa1;
/* rgb */ color: rgb(64, 79, 161);
/* oklch */ color: oklch(46.0% 0.133 272.4);

Tailwind

colors: {
  custom: {
    50: '#7e80bd',
    500: '#404fa1',
    950: '#000000',
  },
}

SCSS

$custom: #404fa1;
$custom-light: #7e80bd;
$custom-dark: #000000;

JSON

{
  "hex": "#404fa1",
  "rgb": {
    "r": 64,
    "g": 79,
    "b": 161
  },
  "hsl": {
    "h": 230.722,
    "s": 43.111,
    "l": 44.118
  },
  "oklch": {
    "l": 0.45988,
    "c": 0.13288,
    "h": 272.4
  },
  "luminance": 0.09255
}

Semantic roles & 50–950 ramp

primary

#404FA1

secondary

#BCB381

accent

#BF55D3

background

#F8F7FB

surface

#EFEEF7

border

#CAC9D0

text

#0B0A12

muted

#7C7C81

Preview Lab

Preview with #404FA1

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

Preview Lab → · Contrast checker → · Palette generator →