#404DBA#404DBA

#404DBA is a mid, vivid blue. Relative luminance 0.099; OKLCH L 47.5% C 0.171 H 272.9°. Best body text is #FFFFFF at 7.03:1 contrast (WCAG AA passes).

Color values

HEX	#404DBA
RGB	rgb(64, 77, 186)
HSL	hsl(234, 49%, 49%)
HSV	hsv(234, 66%, 73%)
CMYK	cmyk(65.6%, 58.6%, 0%, 27.1%)
CIE-LAB	lab(37.74, 30.07, -59.19)
CIE-LCH	lch(37.74, 66.39, 296.93°)
OKLab	oklab(47.51% 0.0087 -0.1704)
OKLCH	oklch(47.51% 0.171 272.9)
XYZ	xyz(13.6282, 9.9417, 47.6456)
Luminance	0.0994 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404DBA #BAAD40

analogous

#408ABA #404DBA #7040BA

triadic

#404DBA #BA404D #4DBA40

tetradic

#404DBA #BA408A #BAAD40 #40BA70

square

#404DBA #BA408A #BAAD40 #40BA70

split-complementary

#404DBA #BA7040 #8ABA40

monochromatic

#21275F #303A8C #404DBA #6B75CC #99A0DC

Accessibility & contrast

On white

7.03

#404DBA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#404DBA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404DBA

7.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404DBA	#FFFFFF	#000000	##FFFFFF
##404DBA	1.00	7.03	2.99	7.03
#FFFFFF	7.03	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EBE

Deuteranopia (green-blind)

#0053B8

Tritanopia (blue-blind)

#00687C

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #404dba;
/* rgb */ color: rgb(64, 77, 186);
/* oklch */ color: oklch(47.5% 0.171 272.9);

Tailwind

colors: {
  custom: {
    50: '#837ed0',
    500: '#404dba',
    950: '#000000',
  },
}

SCSS

$custom: #404dba;
$custom-light: #837ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#404dba",
  "rgb": {
    "r": 64,
    "g": 77,
    "b": 186
  },
  "hsl": {
    "h": 233.607,
    "s": 48.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.47508,
    "c": 0.17061,
    "h": 272.9
  },
  "luminance": 0.09943
}

Semantic roles & 50–950 ramp

primary

#404DBA

secondary

#C8C28E

accent

#CA4FD8

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #404DBA

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

Preview Lab → · Contrast checker → · Palette generator →