#404EBA#404EBA

#404EBA is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.7% C 0.169 H 272.6°. Best body text is #FFFFFF at 6.96:1 contrast (WCAG AA passes).

Color values

HEX	#404EBA
RGB	rgb(64, 78, 186)
HSL	hsl(233, 49%, 49%)
HSV	hsv(233, 66%, 73%)
CMYK	cmyk(65.6%, 58.1%, 0%, 27.1%)
CIE-LAB	lab(37.99, 29.43, -58.78)
CIE-LCH	lch(37.99, 65.73, 296.60°)
OKLab	oklab(47.7% 0.0078 -0.1692)
OKLCH	oklch(47.7% 0.169 272.6)
XYZ	xyz(13.6987, 10.0827, 47.6691)
Luminance	0.1008 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404EBA #BAAC40

analogous

#408BBA #404EBA #6F40BA

triadic

#404EBA #BA404E #4EBA40

tetradic

#404EBA #BA408B #BAAC40 #40BA6F

square

#404EBA #BA408B #BAAC40 #40BA6F

split-complementary

#404EBA #BA6F40 #8BBA40

monochromatic

#21285F #303B8C #404EBA #6B76CC #99A0DC

Accessibility & contrast

On white

6.96

#404EBA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.02

#404EBA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404EBA

6.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404EBA	#FFFFFF	#000000	##FFFFFF
##404EBA	1.00	6.96	3.02	6.96
#FFFFFF	6.96	1.00	21.00	1.00
#000000	3.02	21.00	1.00	21.00
##FFFFFF	6.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FBE

Deuteranopia (green-blind)

#0054B8

Tritanopia (blue-blind)

#00687C

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #404eba;
/* rgb */ color: rgb(64, 78, 186);
/* oklch */ color: oklch(47.7% 0.169 272.6);

Tailwind

colors: {
  custom: {
    50: '#837fd0',
    500: '#404eba',
    950: '#000000',
  },
}

SCSS

$custom: #404eba;
$custom-light: #837fd0;
$custom-dark: #000000;

JSON

{
  "hex": "#404eba",
  "rgb": {
    "r": 64,
    "g": 78,
    "b": 186
  },
  "hsl": {
    "h": 233.115,
    "s": 48.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.47696,
    "c": 0.16935,
    "h": 272.6
  },
  "luminance": 0.10084
}

Semantic roles & 50–950 ramp

primary

#404EBA

secondary

#C8C18E

accent

#C94FD8

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #404EBA

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

Preview Lab → · Contrast checker → · Palette generator →