#404FD3#404FD3

#404FD3 is a mid, highly saturated blue. Relative luminance 0.114; OKLCH L 50.0% C 0.201 H 271.9°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#404FD3
RGB	rgb(64, 79, 211)
HSL	hsl(234, 63%, 54%)
HSV	hsv(234, 70%, 83%)
CMYK	cmyk(69.7%, 62.6%, 0%, 17.3%)
CIE-LAB	lab(40.22, 37.52, -69.67)
CIE-LCH	lch(40.22, 79.13, 298.31°)
OKLab	oklab(49.96% 0.0065 -0.2011)
OKLCH	oklch(49.96% 0.201 271.9)
XYZ	xyz(16.6642, 11.3835, 62.9344)
Luminance	0.1139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404FD3 #D3C440

analogous

#4098D3 #404FD3 #7B40D3

triadic

#404FD3 #D3404F #4FD340

tetradic

#404FD3 #D34098 #D3C440 #40D37B

square

#404FD3 #D34098 #D3C440 #40D37B

split-complementary

#404FD3 #D37B40 #98D340

monochromatic

#1D267C #2836AE #404FD3 #727DDE #A3ABEA

Accessibility & contrast

On white

6.41

#404FD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#404FD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404FD3

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404FD3	#FFFFFF	#000000	##FFFFFF
##404FD3	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D7

Deuteranopia (green-blind)

#0058D0

Tritanopia (blue-blind)

#00718A

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #404fd3;
/* rgb */ color: rgb(64, 79, 211);
/* oklch */ color: oklch(50.0% 0.201 271.9);

Tailwind

colors: {
  custom: {
    50: '#8880e2',
    500: '#404fd3',
    950: '#000000',
  },
}

SCSS

$custom: #404fd3;
$custom-light: #8880e2;
$custom-dark: #000000;

JSON

{
  "hex": "#404fd3",
  "rgb": {
    "r": 64,
    "g": 79,
    "b": 211
  },
  "hsl": {
    "h": 233.878,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.49963,
    "c": 0.20125,
    "h": 271.9
  },
  "luminance": 0.11385
}

Semantic roles & 50–950 ramp

primary

#404FD3

secondary

#D7D098

accent

#D542E6

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0A15

muted

#7E7C84

Preview Lab

Preview with #404FD3

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

Preview Lab → · Contrast checker → · Palette generator →