#404DC1#404DC1

#404DC1 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 48.1% C 0.180 H 272.7°. Best body text is #FFFFFF at 6.89:1 contrast (WCAG AA passes).

Color values

HEX	#404DC1
RGB	rgb(64, 77, 193)
HSL	hsl(234, 51%, 50%)
HSV	hsv(234, 67%, 76%)
CMYK	cmyk(66.8%, 60.1%, 0%, 24.3%)
CIE-LAB	lab(38.28, 32.52, -62.40)
CIE-LCH	lch(38.28, 70.37, 297.53°)
OKLab	oklab(48.08% 0.0086 -0.1798)
OKLCH	oklch(48.08% 0.18 272.7)
XYZ	xyz(14.3906, 10.2467, 51.6612)
Luminance	0.1025 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404DC1 #C1B440

analogous

#408EC1 #404DC1 #7340C1

triadic

#404DC1 #C1404D #4DC140

tetradic

#404DC1 #C1408E #C1B440 #40C173

square

#404DC1 #C1408E #C1B440 #40C173

split-complementary

#404DC1 #C17340 #8EC140

monochromatic

#212866 #303A94 #404DC1 #6E78D0 #9CA3DF

Accessibility & contrast

On white

6.89

#404DC1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.05

#404DC1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404DC1

6.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404DC1	#FFFFFF	#000000	##FFFFFF
##404DC1	1.00	6.89	3.05	6.89
#FFFFFF	6.89	1.00	21.00	1.00
#000000	3.05	21.00	1.00	21.00
##FFFFFF	6.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0060C5

Deuteranopia (green-blind)

#0054BF

Tritanopia (blue-blind)

#006A7F

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #404dc1;
/* rgb */ color: rgb(64, 77, 193);
/* oklch */ color: oklch(48.1% 0.180 272.7);

Tailwind

colors: {
  custom: {
    50: '#847ed5',
    500: '#404dc1',
    950: '#000000',
  },
}

SCSS

$custom: #404dc1;
$custom-light: #847ed5;
$custom-dark: #000000;

JSON

{
  "hex": "#404dc1",
  "rgb": {
    "r": 64,
    "g": 77,
    "b": 193
  },
  "hsl": {
    "h": 233.953,
    "s": 50.988,
    "l": 50.392
  },
  "oklch": {
    "l": 0.48082,
    "c": 0.18004,
    "h": 272.7
  },
  "luminance": 0.10248
}

Semantic roles & 50–950 ramp

primary

#404DC1

secondary

#CBC592

accent

#CC4DDA

background

#F8F7FD

surface

#F0EEFA

border

#CBC9D3

text

#0C0A14

muted

#7D7C83

Preview Lab

Preview with #404DC1

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

Preview Lab → · Contrast checker → · Palette generator →