#404CD3#404CD3

#404CD3 is a mid, highly saturated blue. Relative luminance 0.110; OKLCH L 49.4% C 0.205 H 272.4°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#404CD3
RGB	rgb(64, 76, 211)
HSL	hsl(235, 63%, 54%)
HSV	hsv(235, 70%, 83%)
CMYK	cmyk(69.7%, 64%, 0%, 17.3%)
CIE-LAB	lab(39.51, 39.37, -70.82)
CIE-LCH	lch(39.51, 81.03, 299.07°)
OKLab	oklab(49.45% 0.0086 -0.2045)
OKLCH	oklch(49.45% 0.205 272.4)
XYZ	xyz(16.4527, 10.9604, 62.8639)
Luminance	0.1096 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404CD3 #D3C740

analogous

#4096D3 #404CD3 #7E40D3

triadic

#404CD3 #D3404C #4CD340

tetradic

#404CD3 #D34096 #D3C740 #40D37E

square

#404CD3 #D34096 #D3C740 #40D37E

split-complementary

#404CD3 #D37E40 #96D340

monochromatic

#1D247C #2833AE #404CD3 #727BDE #A3A9EA

Accessibility & contrast

On white

6.58

#404CD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#404CD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404CD3

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404CD3	#FFFFFF	#000000	##FFFFFF
##404CD3	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064D7

Deuteranopia (green-blind)

#0056D0

Tritanopia (blue-blind)

#006F88

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #404cd3;
/* rgb */ color: rgb(64, 76, 211);
/* oklch */ color: oklch(49.4% 0.205 272.4);

Tailwind

colors: {
  custom: {
    50: '#887ee2',
    500: '#404cd3',
    950: '#000000',
  },
}

SCSS

$custom: #404cd3;
$custom-light: #887ee2;
$custom-dark: #000000;

JSON

{
  "hex": "#404cd3",
  "rgb": {
    "r": 64,
    "g": 76,
    "b": 211
  },
  "hsl": {
    "h": 235.102,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.49445,
    "c": 0.20473,
    "h": 272.4
  },
  "luminance": 0.10962
}

Semantic roles & 50–950 ramp

primary

#404CD3

secondary

#D7D298

accent

#D842E6

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0A15

muted

#7E7C84

Preview Lab

Preview with #404CD3

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

Preview Lab → · Contrast checker → · Palette generator →