#404FB1#404FB1

#404FB1 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 47.2% C 0.156 H 272.4°. Best body text is #FFFFFF at 7.07:1 contrast (WCAG AA passes).

Color values

HEX	#404FB1
RGB	rgb(64, 79, 177)
HSL	hsl(232, 47%, 47%)
HSV	hsv(232, 64%, 69%)
CMYK	cmyk(63.8%, 55.4%, 0%, 30.6%)
CIE-LAB	lab(37.58, 25.62, -54.14)
CIE-LCH	lch(37.58, 59.90, 295.33°)
OKLab	oklab(47.18% 0.0066 -0.1555)
OKLCH	oklch(47.18% 0.156 272.4)
XYZ	xyz(12.8435, 9.8552, 42.8119)
Luminance	0.0986 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404FB1 #B1A240

analogous

#4088B1 #404FB1 #6940B1

triadic

#404FB1 #B1404F #4FB140

tetradic

#404FB1 #B14088 #B1A240 #40B169

square

#404FB1 #B14088 #B1A240 #40B169

split-complementary

#404FB1 #B16940 #88B140

monochromatic

#1F2757 #303B84 #404FB1 #6673C8 #939CD8

Accessibility & contrast

On white

7.07

#404FB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.97

#404FB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404FB1

7.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404FB1	#FFFFFF	#000000	##FFFFFF
##404FB1	1.00	7.07	2.97	7.07
#FFFFFF	7.07	1.00	21.00	1.00
#000000	2.97	21.00	1.00	21.00
##FFFFFF	7.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EB4

Deuteranopia (green-blind)

#0054AF

Tritanopia (blue-blind)

#006678

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #404fb1;
/* rgb */ color: rgb(64, 79, 177);
/* oklch */ color: oklch(47.2% 0.156 272.4);

Tailwind

colors: {
  custom: {
    50: '#8180c9',
    500: '#404fb1',
    950: '#000000',
  },
}

SCSS

$custom: #404fb1;
$custom-light: #8180c9;
$custom-dark: #000000;

JSON

{
  "hex": "#404fb1",
  "rgb": {
    "r": 64,
    "g": 79,
    "b": 177
  },
  "hsl": {
    "h": 232.035,
    "s": 46.888,
    "l": 47.255
  },
  "oklch": {
    "l": 0.4718,
    "c": 0.15565,
    "h": 272.4
  },
  "luminance": 0.09856
}

Semantic roles & 50–950 ramp

primary

#404FB1

secondary

#C3BC89

accent

#C551D7

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #404FB1

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

Preview Lab → · Contrast checker → · Palette generator →