#404FBC#404FBC

#404FBC is a mid, vivid blue. Relative luminance 0.103; OKLCH L 48.0% C 0.171 H 272.3°. Best body text is #FFFFFF at 6.86:1 contrast (WCAG AA passes).

Color values

HEX	#404FBC
RGB	rgb(64, 79, 188)
HSL	hsl(233, 49%, 49%)
HSV	hsv(233, 66%, 74%)
CMYK	cmyk(66%, 58%, 0%, 26.3%)
CIE-LAB	lab(38.40, 29.50, -59.29)
CIE-LCH	lch(38.40, 66.22, 296.45°)
OKLab	oklab(48.05% 0.0069 -0.1707)
OKLCH	oklch(48.05% 0.171 272.3)
XYZ	xyz(13.9844, 10.3115, 48.8206)
Luminance	0.1031 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404FBC #BCAD40

analogous

#408DBC #404FBC #6F40BC

triadic

#404FBC #BC404F #4FBC40

tetradic

#404FBC #BC408D #BCAD40 #40BC6F

square

#404FBC #BC408D #BCAD40 #40BC6F

split-complementary

#404FBC #BC6F40 #8DBC40

monochromatic

#212961 #303C8E #404FBC #6C78CD #9AA2DD

Accessibility & contrast

On white

6.86

#404FBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#404FBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404FBC

6.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404FBC	#FFFFFF	#000000	##FFFFFF
##404FBC	1.00	6.86	3.06	6.86
#FFFFFF	6.86	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C0

Deuteranopia (green-blind)

#0055BA

Tritanopia (blue-blind)

#006A7E

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #404fbc;
/* rgb */ color: rgb(64, 79, 188);
/* oklch */ color: oklch(48.0% 0.171 272.3);

Tailwind

colors: {
  custom: {
    50: '#8380d1',
    500: '#404fbc',
    950: '#000000',
  },
}

SCSS

$custom: #404fbc;
$custom-light: #8380d1;
$custom-dark: #000000;

JSON

{
  "hex": "#404fbc",
  "rgb": {
    "r": 64,
    "g": 79,
    "b": 188
  },
  "hsl": {
    "h": 232.742,
    "s": 49.206,
    "l": 49.412
  },
  "oklch": {
    "l": 0.48045,
    "c": 0.17081,
    "h": 272.3
  },
  "luminance": 0.10313
}

Semantic roles & 50–950 ramp

primary

#404FBC

secondary

#C9C28F

accent

#C84FD9

background

#F8F7FC

surface

#F0EEF9

border

#CBC9D2

text

#0C0A14

muted

#7D7C82

Preview Lab

Preview with #404FBC

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

Preview Lab → · Contrast checker → · Palette generator →