#404ED3#404ED3

#404ED3 is a mid, highly saturated blue. Relative luminance 0.112; OKLCH L 49.8% C 0.202 H 272.0°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#404ED3
RGB	rgb(64, 78, 211)
HSL	hsl(234, 63%, 54%)
HSV	hsv(234, 70%, 83%)
CMYK	cmyk(69.7%, 63%, 0%, 17.3%)
CIE-LAB	lab(39.98, 38.14, -70.06)
CIE-LCH	lch(39.98, 79.77, 298.57°)
OKLab	oklab(49.79% 0.0072 -0.2023)
OKLCH	oklch(49.79% 0.202 272)
XYZ	xyz(16.5926, 11.2403, 62.9105)
Luminance	0.1124 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404ED3 #D3C540

analogous

#4098D3 #404ED3 #7C40D3

triadic

#404ED3 #D3404E #4ED340

tetradic

#404ED3 #D34098 #D3C540 #40D37C

square

#404ED3 #D34098 #D3C540 #40D37C

split-complementary

#404ED3 #D37C40 #98D340

monochromatic

#1D267C #2835AE #404ED3 #727CDE #A3AAEA

Accessibility & contrast

On white

6.46

#404ED3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#404ED3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404ED3

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404ED3	#FFFFFF	#000000	##FFFFFF
##404ED3	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0065D7

Deuteranopia (green-blind)

#0058D0

Tritanopia (blue-blind)

#007089

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #404ed3;
/* rgb */ color: rgb(64, 78, 211);
/* oklch */ color: oklch(49.8% 0.202 272.0);

Tailwind

colors: {
  custom: {
    50: '#887fe2',
    500: '#404ed3',
    950: '#000000',
  },
}

SCSS

$custom: #404ed3;
$custom-light: #887fe2;
$custom-dark: #000000;

JSON

{
  "hex": "#404ed3",
  "rgb": {
    "r": 64,
    "g": 78,
    "b": 211
  },
  "hsl": {
    "h": 234.286,
    "s": 62.553,
    "l": 53.922
  },
  "oklch": {
    "l": 0.49789,
    "c": 0.20242,
    "h": 272
  },
  "luminance": 0.11242
}

Semantic roles & 50–950 ramp

primary

#404ED3

secondary

#D7D198

accent

#D642E6

background

#F9F7FE

surface

#F1EEFC

border

#CBC9D5

text

#0D0A15

muted

#7E7C84

Preview Lab

Preview with #404ED3

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

Preview Lab → · Contrast checker → · Palette generator →