#404BC6#404BC6

#404BC6 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 48.1% C 0.189 H 273.0°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#404BC6
RGB	rgb(64, 75, 198)
HSL	hsl(235, 54%, 51%)
HSV	hsv(235, 68%, 78%)
CMYK	cmyk(67.7%, 62.1%, 0%, 22.4%)
CIE-LAB	lab(38.20, 35.52, -65.46)
CIE-LCH	lch(38.20, 74.47, 298.48°)
OKLab	oklab(48.14% 0.01 -0.1888)
OKLCH	oklch(48.14% 0.189 273)
XYZ	xyz(14.8201, 10.1980, 54.6025)
Luminance	0.1020 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404BC6 #C6BB40

analogous

#408EC6 #404BC6 #7840C6

triadic

#404BC6 #C6404B #4BC640

tetradic

#404BC6 #C6408E #C6BB40 #40C678

square

#404BC6 #C6408E #C6BB40 #40C678

split-complementary

#404BC6 #C67840 #8EC640

monochromatic

#20266C #2E379B #404BC6 #6F77D4 #9EA4E2

Accessibility & contrast

On white

6.91

#404BC6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#404BC6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404BC6

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404BC6	#FFFFFF	#000000	##FFFFFF
##404BC6	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060CA

Deuteranopia (green-blind)

#0054C4

Tritanopia (blue-blind)

#006A81

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #404bc6;
/* rgb */ color: rgb(64, 75, 198);
/* oklch */ color: oklch(48.1% 0.189 273.0);

Tailwind

colors: {
  custom: {
    50: '#857dd8',
    500: '#404bc6',
    950: '#000000',
  },
}

SCSS

$custom: #404bc6;
$custom-light: #857dd8;
$custom-dark: #000000;

JSON

{
  "hex": "#404bc6",
  "rgb": {
    "r": 64,
    "g": 75,
    "b": 198
  },
  "hsl": {
    "h": 235.075,
    "s": 54.032,
    "l": 51.373
  },
  "oklch": {
    "l": 0.48143,
    "c": 0.18908,
    "h": 273
  },
  "luminance": 0.10199
}

Semantic roles & 50–950 ramp

primary

#404BC6

secondary

#CECA93

accent

#D14ADD

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0915

muted

#7D7B83

Preview Lab

Preview with #404BC6

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

Preview Lab → · Contrast checker → · Palette generator →