#404AAA#404AAA

#404AAA is a mid, vivid blue. Relative luminance 0.089; OKLCH L 45.7% C 0.152 H 274.2°. Best body text is #FFFFFF at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#404AAA
RGB	rgb(64, 74, 170)
HSL	hsl(234, 45%, 46%)
HSV	hsv(234, 62%, 67%)
CMYK	cmyk(62.4%, 56.5%, 0%, 33.3%)
CIE-LAB	lab(35.77, 26.40, -52.92)
CIE-LCH	lch(35.77, 59.14, 296.52°)
OKLab	oklab(45.66% 0.0112 -0.152)
OKLCH	oklch(45.66% 0.152 274.2)
XYZ	xyz(11.8164, 8.8889, 39.1154)
Luminance	0.0889 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404AAA #AAA040

analogous

#407FAA #404AAA #6B40AA

triadic

#404AAA #AA404A #4AAA40

tetradic

#404AAA #AA407F #AAA040 #40AA6B

square

#404AAA #AA407F #AAA040 #40AA6B

split-complementary

#404AAA #AA6B40 #7FAA40

monochromatic

#1F2351 #2F377E #404AAA #636CC4 #8F96D5

Accessibility & contrast

On white

7.56

#404AAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.78

#404AAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404AAA

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404AAA	#FFFFFF	#000000	##FFFFFF
##404AAA	1.00	7.56	2.78	7.56
#FFFFFF	7.56	1.00	21.00	1.00
#000000	2.78	21.00	1.00	21.00
##FFFFFF	7.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059AD

Deuteranopia (green-blind)

#0050A8

Tritanopia (blue-blind)

#006172

Achromatopsia (no color)

#545454

Design tokens & code

CSS

--color: #404aaa;
/* rgb */ color: rgb(64, 74, 170);
/* oklch */ color: oklch(45.7% 0.152 274.2);

Tailwind

colors: {
  custom: {
    50: '#807cc4',
    500: '#404aaa',
    950: '#000000',
  },
}

SCSS

$custom: #404aaa;
$custom-light: #807cc4;
$custom-dark: #000000;

JSON

{
  "hex": "#404aaa",
  "rgb": {
    "r": 64,
    "g": 74,
    "b": 170
  },
  "hsl": {
    "h": 234.34,
    "s": 45.299,
    "l": 45.882
  },
  "oklch": {
    "l": 0.45663,
    "c": 0.15239,
    "h": 274.2
  },
  "luminance": 0.0889
}

Semantic roles & 50–950 ramp

primary

#404AAA

secondary

#C0BB86

accent

#C953D5

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0913

muted

#7C7B82

Preview Lab

Preview with #404AAA

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

Preview Lab → · Contrast checker → · Palette generator →