#404FB0#404FB0

#404FB0 is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.1% C 0.154 H 272.4°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#404FB0
RGB	rgb(64, 79, 176)
HSL	hsl(232, 47%, 47%)
HSV	hsv(232, 64%, 69%)
CMYK	cmyk(63.6%, 55.1%, 0%, 31%)
CIE-LAB	lab(37.51, 25.27, -53.66)
CIE-LCH	lch(37.51, 59.32, 295.22°)
OKLab	oklab(47.1% 0.0066 -0.1541)
OKLCH	oklch(47.1% 0.154 272.4)
XYZ	xyz(12.7442, 9.8155, 42.2889)
Luminance	0.0982 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404FB0 #B0A140

analogous

#4087B0 #404FB0 #6940B0

triadic

#404FB0 #B0404F #4FB040

tetradic

#404FB0 #B04087 #B0A140 #40B069

square

#404FB0 #B04087 #B0A140 #40B069

split-complementary

#404FB0 #B06940 #87B040

monochromatic

#1F2756 #303B83 #404FB0 #6673C7 #939CD8

Accessibility & contrast

On white

7.09

#404FB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#404FB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404FB0

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404FB0	#FFFFFF	#000000	##FFFFFF
##404FB0	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#045DB3

Deuteranopia (green-blind)

#0053AE

Tritanopia (blue-blind)

#006678

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #404fb0;
/* rgb */ color: rgb(64, 79, 176);
/* oklch */ color: oklch(47.1% 0.154 272.4);

Tailwind

colors: {
  custom: {
    50: '#8180c8',
    500: '#404fb0',
    950: '#000000',
  },
}

SCSS

$custom: #404fb0;
$custom-light: #8180c8;
$custom-dark: #000000;

JSON

{
  "hex": "#404fb0",
  "rgb": {
    "r": 64,
    "g": 79,
    "b": 176
  },
  "hsl": {
    "h": 231.964,
    "s": 46.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.47103,
    "c": 0.15426,
    "h": 272.4
  },
  "luminance": 0.09817
}

Semantic roles & 50–950 ramp

primary

#404FB0

secondary

#C3BB89

accent

#C551D6

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #404FB0

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

Preview Lab → · Contrast checker → · Palette generator →