#404FB7#404FB7

#404FB7 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.6% C 0.164 H 272.4°. Best body text is #FFFFFF at 6.95:1 contrast (WCAG AA passes).

Color values

HEX	#404FB7
RGB	rgb(64, 79, 183)
HSL	hsl(232, 48%, 48%)
HSV	hsv(232, 65%, 72%)
CMYK	cmyk(65%, 56.8%, 0%, 28.2%)
CIE-LAB	lab(38.02, 27.74, -56.97)
CIE-LCH	lch(38.02, 63.36, 295.96°)
OKLab	oklab(47.65% 0.0069 -0.1638)
OKLCH	oklch(47.65% 0.164 272.4)
XYZ	xyz(13.4547, 10.0997, 46.0309)
Luminance	0.1010 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404FB7 #B7A840

analogous

#408AB7 #404FB7 #6C40B7

triadic

#404FB7 #B7404F #4FB740

tetradic

#404FB7 #B7408A #B7A840 #40B76C

square

#404FB7 #B7408A #B7A840 #40B76C

split-complementary

#404FB7 #B76C40 #8AB740

monochromatic

#20285C #303B8A #404FB7 #6976CB #979FDB

Accessibility & contrast

On white

6.95

#404FB7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#404FB7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404FB7

6.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404FB7	#FFFFFF	#000000	##FFFFFF
##404FB7	1.00	6.95	3.02	6.95
#FFFFFF	6.95	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FBB

Deuteranopia (green-blind)

#0054B5

Tritanopia (blue-blind)

#00687B

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #404fb7;
/* rgb */ color: rgb(64, 79, 183);
/* oklch */ color: oklch(47.6% 0.164 272.4);

Tailwind

colors: {
  custom: {
    50: '#8280cd',
    500: '#404fb7',
    950: '#000000',
  },
}

SCSS

$custom: #404fb7;
$custom-light: #8280cd;
$custom-dark: #000000;

JSON

{
  "hex": "#404fb7",
  "rgb": {
    "r": 64,
    "g": 79,
    "b": 183
  },
  "hsl": {
    "h": 232.437,
    "s": 48.178,
    "l": 48.431
  },
  "oklch": {
    "l": 0.47647,
    "c": 0.16397,
    "h": 272.4
  },
  "luminance": 0.10101
}

Semantic roles & 50–950 ramp

primary

#404FB7

secondary

#C6BF8D

accent

#C750D8

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #404FB7

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

Preview Lab → · Contrast checker → · Palette generator →