#404AB8#404AB8

#404AB8 is a mid, vivid blue. Relative luminance 0.094; OKLCH L 46.8% C 0.172 H 273.8°. Best body text is #FFFFFF at 7.27:1 contrast (WCAG AA passes).

Color values

HEX	#404AB8
RGB	rgb(64, 74, 184)
HSL	hsl(235, 48%, 49%)
HSV	hsv(235, 65%, 72%)
CMYK	cmyk(65.2%, 59.8%, 0%, 27.8%)
CIE-LAB	lab(36.83, 31.29, -59.49)
CIE-LCH	lch(36.83, 67.21, 297.74°)
OKLab	oklab(46.79% 0.0113 -0.1713)
OKLCH	oklch(46.79% 0.172 273.8)
XYZ	xyz(13.2120, 9.4471, 46.4653)
Luminance	0.0945 (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

#404AB8 #B8AE40

analogous

#4086B8 #404AB8 #7240B8

triadic

#404AB8 #B8404A #4AB840

tetradic

#404AB8 #B84086 #B8AE40 #40B872

square

#404AB8 #B84086 #B8AE40 #40B872

split-complementary

#404AB8 #B87240 #86B840

monochromatic

#20255D #30388B #404AB8 #6A72CB #979DDB

Accessibility & contrast

On white

7.27

#404AB8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.89

#404AB8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404AB8

7.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404AB8	#FFFFFF	#000000	##FFFFFF
##404AB8	1.00	7.27	2.89	7.27
#FFFFFF	7.27	1.00	21.00	1.00
#000000	2.89	21.00	1.00	21.00
##FFFFFF	7.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005CBC

Deuteranopia (green-blind)

#0051B6

Tritanopia (blue-blind)

#00657A

Achromatopsia (no color)

#575757

Design tokens & code

CSS

--color: #404ab8;
/* rgb */ color: rgb(64, 74, 184);
/* oklch */ color: oklch(46.8% 0.172 273.8);

Tailwind

colors: {
  custom: {
    50: '#827cce',
    500: '#404ab8',
    950: '#000000',
  },
}

SCSS

$custom: #404ab8;
$custom-light: #827cce;
$custom-dark: #000000;

JSON

{
  "hex": "#404ab8",
  "rgb": {
    "r": 64,
    "g": 74,
    "b": 184
  },
  "hsl": {
    "h": 235,
    "s": 48.387,
    "l": 48.627
  },
  "oklch": {
    "l": 0.46787,
    "c": 0.17166,
    "h": 273.8
  },
  "luminance": 0.09448
}

Semantic roles & 50–950 ramp

primary

#404AB8

secondary

#C7C28D

accent

#CD50D8

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #404AB8

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

Preview Lab → · Contrast checker → · Palette generator →