#404CBC#404CBC

#404CBC is a mid, vivid blue. Relative luminance 0.099; OKLCH L 47.5% C 0.175 H 273.1°. Best body text is #FFFFFF at 7.05:1 contrast (WCAG AA passes).

Color values

HEX	#404CBC
RGB	rgb(64, 76, 188)
HSL	hsl(234, 49%, 49%)
HSV	hsv(234, 66%, 74%)
CMYK	cmyk(66%, 59.6%, 0%, 26.3%)
CIE-LAB	lab(37.64, 31.41, -60.52)
CIE-LCH	lch(37.64, 68.18, 297.43°)
OKLab	oklab(47.49% 0.0095 -0.1743)
OKLCH	oklch(47.49% 0.175 273.1)
XYZ	xyz(13.7729, 9.8885, 48.7501)
Luminance	0.0989 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.94

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404CBC #BCB040

analogous

#408ABC #404CBC #7240BC

triadic

#404CBC #BC404C #4CBC40

tetradic

#404CBC #BC408A #BCB040 #40BC72

square

#404CBC #BC408A #BCB040 #40BC72

split-complementary

#404CBC #BC7240 #8ABC40

monochromatic

#212761 #303A8E #404CBC #6C76CD #9AA0DD

Accessibility & contrast

On white

7.05

#404CBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.98

#404CBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404CBC

7.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404CBC	#FFFFFF	#000000	##FFFFFF
##404CBC	1.00	7.05	2.98	7.05
#FFFFFF	7.05	1.00	21.00	1.00
#000000	2.98	21.00	1.00	21.00
##FFFFFF	7.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EC0

Deuteranopia (green-blind)

#0053BA

Tritanopia (blue-blind)

#00687C

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #404cbc;
/* rgb */ color: rgb(64, 76, 188);
/* oklch */ color: oklch(47.5% 0.175 273.1);

Tailwind

colors: {
  custom: {
    50: '#837ed1',
    500: '#404cbc',
    950: '#000000',
  },
}

SCSS

$custom: #404cbc;
$custom-light: #837ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#404cbc",
  "rgb": {
    "r": 64,
    "g": 76,
    "b": 188
  },
  "hsl": {
    "h": 234.194,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.47485,
    "c": 0.17456,
    "h": 273.1
  },
  "luminance": 0.0989
}

Semantic roles & 50–950 ramp

primary

#404CBC

secondary

#C9C38F

accent

#CB4FD9

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #404CBC

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

Preview Lab → · Contrast checker → · Palette generator →