#404FBA#404FBA

#404FBA is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.9% C 0.168 H 272.4°. Best body text is #FFFFFF at 6.90:1 contrast (WCAG AA passes).

Color values

HEX	#404FBA
RGB	rgb(64, 79, 186)
HSL	hsl(233, 49%, 49%)
HSV	hsv(233, 66%, 73%)
CMYK	cmyk(65.6%, 57.5%, 0%, 27.1%)
CIE-LAB	lab(38.24, 28.79, -58.36)
CIE-LCH	lch(38.24, 65.08, 296.26°)
OKLab	oklab(47.89% 0.0069 -0.1679)
OKLCH	oklch(47.89% 0.168 272.4)
XYZ	xyz(13.7703, 10.2259, 47.6930)
Luminance	0.1023 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404FBA #BAAB40

analogous

#408CBA #404FBA #6E40BA

triadic

#404FBA #BA404F #4FBA40

tetradic

#404FBA #BA408C #BAAB40 #40BA6E

square

#404FBA #BA408C #BAAB40 #40BA6E

split-complementary

#404FBA #BA6E40 #8CBA40

monochromatic

#21285F #303C8C #404FBA #6B77CC #99A1DC

Accessibility & contrast

On white

6.90

#404FBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#404FBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404FBA

6.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404FBA	#FFFFFF	#000000	##FFFFFF
##404FBA	1.00	6.90	3.05	6.90
#FFFFFF	6.90	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060BE

Deuteranopia (green-blind)

#0055B8

Tritanopia (blue-blind)

#00697D

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #404fba;
/* rgb */ color: rgb(64, 79, 186);
/* oklch */ color: oklch(47.9% 0.168 272.4);

Tailwind

colors: {
  custom: {
    50: '#8280d0',
    500: '#404fba',
    950: '#000000',
  },
}

SCSS

$custom: #404fba;
$custom-light: #8280d0;
$custom-dark: #000000;

JSON

{
  "hex": "#404fba",
  "rgb": {
    "r": 64,
    "g": 79,
    "b": 186
  },
  "hsl": {
    "h": 232.623,
    "s": 48.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.47885,
    "c": 0.16808,
    "h": 272.4
  },
  "luminance": 0.10227
}

Semantic roles & 50–950 ramp

primary

#404FBA

secondary

#C8C18E

accent

#C84FD8

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #404FBA

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

Preview Lab → · Contrast checker → · Palette generator →