#404DDF#404DDF

#404DDF is a mid, highly saturated blue. Relative luminance 0.117; OKLCH L 50.7% C 0.219 H 271.9°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#404DDF
RGB	rgb(64, 77, 223)
HSL	hsl(235, 71%, 56%)
HSV	hsv(235, 71%, 87%)
CMYK	cmyk(71.3%, 65.5%, 0%, 12.5%)
CIE-LAB	lab(40.77, 42.86, -75.63)
CIE-LCH	lch(40.77, 86.93, 299.54°)
OKLab	oklab(50.68% 0.0071 -0.2186)
OKLCH	oklch(50.68% 0.219 271.9)
XYZ	xyz(18.0830, 11.7236, 71.1076)
Luminance	0.1172 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404DDF #DFD240

analogous

#409DDF #404DDF #8340DF

triadic

#404DDF #DF404D #4DDF40

tetradic

#404DDF #DF409D #DFD240 #40DF83

square

#404DDF #DF409D #DFD240 #40DF83

split-complementary

#404DDF #DF8340 #9DDF40

monochromatic

#18218D #202EC1 #404DDF #747EE8 #A9AFF1

Accessibility & contrast

On white

6.28

#404DDF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.35

#404DDF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404DDF

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404DDF	#FFFFFF	#000000	##FFFFFF
##404DDF	1.00	6.28	3.35	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.35	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0068E4

Deuteranopia (green-blind)

#0059DC

Tritanopia (blue-blind)

#00748F

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #404ddf;
/* rgb */ color: rgb(64, 77, 223);
/* oklch */ color: oklch(50.7% 0.219 271.9);

Tailwind

colors: {
  custom: {
    50: '#8a7fea',
    500: '#404ddf',
    950: '#000000',
  },
}

SCSS

$custom: #404ddf;
$custom-light: #8a7fea;
$custom-dark: #000000;

JSON

{
  "hex": "#404ddf",
  "rgb": {
    "r": 64,
    "g": 77,
    "b": 223
  },
  "hsl": {
    "h": 235.094,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.50682,
    "c": 0.21875,
    "h": 271.9
  },
  "luminance": 0.11725
}

Semantic roles & 50–950 ramp

primary

#404DDF

secondary

#DED99D

accent

#DF3AEE

background

#F9F7FE

surface

#F2EEFD

border

#CCC9D5

text

#0E0A16

muted

#7E7C84

Preview Lab

Preview with #404DDF

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

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