#404FD5#404FD5

#404FD5 is a mid, highly saturated blue. Relative luminance 0.115; OKLCH L 50.1% C 0.204 H 271.8°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#404FD5
RGB	rgb(64, 79, 213)
HSL	hsl(234, 64%, 54%)
HSV	hsv(234, 70%, 84%)
CMYK	cmyk(70%, 62.9%, 0%, 16.5%)
CIE-LAB	lab(40.38, 38.21, -70.55)
CIE-LCH	lch(40.38, 80.23, 298.44°)
OKLab	oklab(50.14% 0.0064 -0.2037)
OKLCH	oklch(50.14% 0.204 271.8)
XYZ	xyz(16.9165, 11.4844, 64.2631)
Luminance	0.1149 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404FD5 #D5C640

analogous

#4099D5 #404FD5 #7C40D5

triadic

#404FD5 #D5404F #4FD540

tetradic

#404FD5 #D54099 #D5C640 #40D57C

square

#404FD5 #D54099 #D5C640 #40D57C

split-complementary

#404FD5 #D57C40 #99D540

monochromatic

#1C267F #2735B1 #404FD5 #727DE0 #A4ABEB

Accessibility & contrast

On white

6.37

#404FD5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#404FD5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404FD5

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404FD5	#FFFFFF	#000000	##FFFFFF
##404FD5	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0066D9

Deuteranopia (green-blind)

#0058D2

Tritanopia (blue-blind)

#00728B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #404fd5;
/* rgb */ color: rgb(64, 79, 213);
/* oklch */ color: oklch(50.1% 0.204 271.8);

Tailwind

colors: {
  custom: {
    50: '#8880e3',
    500: '#404fd5',
    950: '#000000',
  },
}

SCSS

$custom: #404fd5;
$custom-light: #8880e3;
$custom-dark: #000000;

JSON

{
  "hex": "#404fd5",
  "rgb": {
    "r": 64,
    "g": 79,
    "b": 213
  },
  "hsl": {
    "h": 233.96,
    "s": 63.948,
    "l": 54.314
  },
  "oklch": {
    "l": 0.50136,
    "c": 0.20382,
    "h": 271.8
  },
  "luminance": 0.11486
}

Semantic roles & 50–950 ramp

primary

#404FD5

secondary

#D8D299

accent

#D641E7

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0A16

muted

#7E7C84

Preview Lab

Preview with #404FD5

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

Preview Lab → · Contrast checker → · Palette generator →