#404DB0#404DB0

#404DB0 is a mid, vivid blue. Relative luminance 0.095; OKLCH L 46.7% C 0.157 H 273.1°. Best body text is #FFFFFF at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#404DB0
RGB	rgb(64, 77, 176)
HSL	hsl(233, 47%, 47%)
HSV	hsv(233, 64%, 69%)
CMYK	cmyk(63.6%, 56.2%, 0%, 31%)
CIE-LAB	lab(36.99, 26.56, -54.51)
CIE-LCH	lch(36.99, 60.64, 295.98°)
OKLab	oklab(46.71% 0.0085 -0.1566)
OKLCH	oklch(46.71% 0.157 273.1)
XYZ	xyz(12.6021, 9.5313, 42.2415)
Luminance	0.0953 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404DB0 #B0A340

analogous

#4085B0 #404DB0 #6B40B0

triadic

#404DB0 #B0404D #4DB040

tetradic

#404DB0 #B04085 #B0A340 #40B06B

square

#404DB0 #B04085 #B0A340 #40B06B

split-complementary

#404DB0 #B06B40 #85B040

monochromatic

#1F2656 #303983 #404DB0 #6671C7 #939BD8

Accessibility & contrast

On white

7.23

#404DB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.91

#404DB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404DB0

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404DB0	#FFFFFF	#000000	##FFFFFF
##404DB0	1.00	7.23	2.91	7.23
#FFFFFF	7.23	1.00	21.00	1.00
#000000	2.91	21.00	1.00	21.00
##FFFFFF	7.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CB3

Deuteranopia (green-blind)

#0052AE

Tritanopia (blue-blind)

#006577

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #404db0;
/* rgb */ color: rgb(64, 77, 176);
/* oklch */ color: oklch(46.7% 0.157 273.1);

Tailwind

colors: {
  custom: {
    50: '#817ec8',
    500: '#404db0',
    950: '#000000',
  },
}

SCSS

$custom: #404db0;
$custom-light: #817ec8;
$custom-dark: #000000;

JSON

{
  "hex": "#404db0",
  "rgb": {
    "r": 64,
    "g": 77,
    "b": 176
  },
  "hsl": {
    "h": 233.036,
    "s": 46.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.46713,
    "c": 0.15685,
    "h": 273.1
  },
  "luminance": 0.09532
}

Semantic roles & 50–950 ramp

primary

#404DB0

secondary

#C3BC89

accent

#C751D6

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #404DB0

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

Preview Lab → · Contrast checker → · Palette generator →