#404CBA#404CBA

#404CBA is a mid, vivid blue. Relative luminance 0.098; OKLCH L 47.3% C 0.172 H 273.2°. Best body text is #FFFFFF at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#404CBA
RGB	rgb(64, 76, 186)
HSL	hsl(234, 49%, 49%)
HSV	hsv(234, 66%, 73%)
CMYK	cmyk(65.6%, 59.1%, 0%, 27.1%)
CIE-LAB	lab(37.49, 30.71, -59.60)
CIE-LCH	lch(37.49, 67.04, 297.26°)
OKLab	oklab(47.32% 0.0095 -0.1716)
OKLCH	oklch(47.32% 0.172 273.2)
XYZ	xyz(13.5588, 9.8028, 47.6225)
Luminance	0.0980 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404CBA #BAAE40

analogous

#4089BA #404CBA #7140BA

triadic

#404CBA #BA404C #4CBA40

tetradic

#404CBA #BA4089 #BAAE40 #40BA71

square

#404CBA #BA4089 #BAAE40 #40BA71

split-complementary

#404CBA #BA7140 #89BA40

monochromatic

#21275F #30398C #404CBA #6B75CC #999FDC

Accessibility & contrast

On white

7.09

#404CBA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.96

#404CBA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #404CBA

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404CBA	#FFFFFF	#000000	##FFFFFF
##404CBA	1.00	7.09	2.96	7.09
#FFFFFF	7.09	1.00	21.00	1.00
#000000	2.96	21.00	1.00	21.00
##FFFFFF	7.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005EBE

Deuteranopia (green-blind)

#0053B8

Tritanopia (blue-blind)

#00677B

Achromatopsia (no color)

#585858

Design tokens & code

CSS

--color: #404cba;
/* rgb */ color: rgb(64, 76, 186);
/* oklch */ color: oklch(47.3% 0.172 273.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#404cba",
  "rgb": {
    "r": 64,
    "g": 76,
    "b": 186
  },
  "hsl": {
    "h": 234.098,
    "s": 48.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.47321,
    "c": 0.17186,
    "h": 273.2
  },
  "luminance": 0.09804
}

Semantic roles & 50–950 ramp

primary

#404CBA

secondary

#C8C28E

accent

#CB4FD8

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0914

muted

#7D7B82

Preview Lab

Preview with #404CBA

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

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