#404EBC#404EBC

#404EBC is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.9% C 0.172 H 272.6°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#404EBC
RGB	rgb(64, 78, 188)
HSL	hsl(233, 49%, 49%)
HSV	hsv(233, 66%, 74%)
CMYK	cmyk(66%, 58.5%, 0%, 26.3%)
CIE-LAB	lab(38.14, 30.13, -59.70)
CIE-LCH	lch(38.14, 66.88, 296.78°)
OKLab	oklab(47.86% 0.0078 -0.1719)
OKLCH	oklch(47.86% 0.172 272.6)
XYZ	xyz(13.9128, 10.1684, 48.7967)
Luminance	0.1017 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404EBC #BCAE40

analogous

#408CBC #404EBC #7040BC

triadic

#404EBC #BC404E #4EBC40

tetradic

#404EBC #BC408C #BCAE40 #40BC70

square

#404EBC #BC408C #BCAE40 #40BC70

split-complementary

#404EBC #BC7040 #8CBC40

monochromatic

#212861 #303B8E #404EBC #6C77CD #9AA1DD

Accessibility & contrast

On white

6.92

#404EBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#404EBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404EBC

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404EBC	#FFFFFF	#000000	##FFFFFF
##404EBC	1.00	6.92	3.03	6.92
#FFFFFF	6.92	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005FC0

Deuteranopia (green-blind)

#0054BA

Tritanopia (blue-blind)

#00697D

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #404ebc;
/* rgb */ color: rgb(64, 78, 188);
/* oklch */ color: oklch(47.9% 0.172 272.6);

Tailwind

colors: {
  custom: {
    50: '#837fd1',
    500: '#404ebc',
    950: '#000000',
  },
}

SCSS

$custom: #404ebc;
$custom-light: #837fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#404ebc",
  "rgb": {
    "r": 64,
    "g": 78,
    "b": 188
  },
  "hsl": {
    "h": 233.226,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.47857,
    "c": 0.17207,
    "h": 272.6
  },
  "luminance": 0.1017
}

Semantic roles & 50–950 ramp

primary

#404EBC

secondary

#C9C28F

accent

#C94FD9

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #404EBC

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

Preview Lab → · Contrast checker → · Palette generator →