#404AAD#404AAD

#404AAD is a mid, vivid blue. Relative luminance 0.090; OKLCH L 45.9% C 0.157 H 274.1°. Best body text is #FFFFFF at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#404AAD
RGB	rgb(64, 74, 173)
HSL	hsl(234, 46%, 46%)
HSV	hsv(234, 63%, 68%)
CMYK	cmyk(63%, 57.2%, 0%, 32.2%)
CIE-LAB	lab(35.99, 27.45, -54.34)
CIE-LCH	lch(35.99, 60.88, 296.80°)
OKLab	oklab(45.9% 0.0112 -0.1562)
OKLCH	oklch(45.9% 0.157 274.1)
XYZ	xyz(12.1035, 9.0037, 40.6271)
Luminance	0.0901 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404AAD #ADA340

analogous

#4081AD #404AAD #6D40AD

triadic

#404AAD #AD404A #4AAD40

tetradic

#404AAD #AD4081 #ADA340 #40AD6D

square

#404AAD #AD4081 #ADA340 #40AD6D

split-complementary

#404AAD #AD6D40 #81AD40

monochromatic

#1F2454 #2F3780 #404AAD #646DC6 #9197D6

Accessibility & contrast

On white

7.50

#404AAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.80

#404AAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404AAD

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404AAD	#FFFFFF	#000000	##FFFFFF
##404AAD	1.00	7.50	2.80	7.50
#FFFFFF	7.50	1.00	21.00	1.00
#000000	2.80	21.00	1.00	21.00
##FFFFFF	7.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AB0

Deuteranopia (green-blind)

#0050AB

Tritanopia (blue-blind)

#006274

Achromatopsia (no color)

#555555

Design tokens & code

CSS

--color: #404aad;
/* rgb */ color: rgb(64, 74, 173);
/* oklch */ color: oklch(45.9% 0.157 274.1);

Tailwind

colors: {
  custom: {
    50: '#807cc6',
    500: '#404aad',
    950: '#000000',
  },
}

SCSS

$custom: #404aad;
$custom-light: #807cc6;
$custom-dark: #000000;

JSON

{
  "hex": "#404aad",
  "rgb": {
    "r": 64,
    "g": 74,
    "b": 173
  },
  "hsl": {
    "h": 234.495,
    "s": 45.992,
    "l": 46.471
  },
  "oklch": {
    "l": 0.45899,
    "c": 0.15657,
    "h": 274.1
  },
  "luminance": 0.09005
}

Semantic roles & 50–950 ramp

primary

#404AAD

secondary

#C2BC87

accent

#CA52D6

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #404AAD

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

Preview Lab → · Contrast checker → · Palette generator →