#404ECC#404ECC

#404ECC is a mid, vivid blue. Relative luminance 0.109; OKLCH L 49.2% C 0.193 H 272.2°. Best body text is #FFFFFF at 6.60:1 contrast (WCAG AA passes).

Color values

HEX	#404ECC
RGB	rgb(64, 78, 204)
HSL	hsl(234, 58%, 53%)
HSV	hsv(234, 69%, 80%)
CMYK	cmyk(68.6%, 61.8%, 0%, 20%)
CIE-LAB	lab(39.41, 35.72, -66.96)
CIE-LCH	lch(39.41, 75.89, 298.08°)
OKLab	oklab(49.19% 0.0075 -0.1932)
OKLCH	oklch(49.19% 0.193 272.2)
XYZ	xyz(15.7342, 10.8969, 58.3892)
Luminance	0.1090 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.99

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404ECC #CCBE40

analogous

#4094CC #404ECC #7840CC

triadic

#404ECC #CC404E #4ECC40

tetradic

#404ECC #CC4094 #CCBE40 #40CC78

square

#404ECC #CC4094 #CCBE40 #40CC78

split-complementary

#404ECC #CC7840 #94CC40

monochromatic

#1F2773 #2C38A3 #404ECC #707BD9 #A1A8E6

Accessibility & contrast

On white

6.60

#404ECC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.18

#404ECC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404ECC

6.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404ECC	#FFFFFF	#000000	##FFFFFF
##404ECC	1.00	6.60	3.18	6.60
#FFFFFF	6.60	1.00	21.00	1.00
#000000	3.18	21.00	1.00	21.00
##FFFFFF	6.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063D0

Deuteranopia (green-blind)

#0057CA

Tritanopia (blue-blind)

#006E85

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #404ecc;
/* rgb */ color: rgb(64, 78, 204);
/* oklch */ color: oklch(49.2% 0.193 272.2);

Tailwind

colors: {
  custom: {
    50: '#867fdd',
    500: '#404ecc',
    950: '#000000',
  },
}

SCSS

$custom: #404ecc;
$custom-light: #867fdd;
$custom-dark: #000000;

JSON

{
  "hex": "#404ecc",
  "rgb": {
    "r": 64,
    "g": 78,
    "b": 204
  },
  "hsl": {
    "h": 234,
    "s": 57.851,
    "l": 52.549
  },
  "oklch": {
    "l": 0.49187,
    "c": 0.19335,
    "h": 272.2
  },
  "luminance": 0.10898
}

Semantic roles & 50–950 ramp

primary

#404ECC

secondary

#D2CC95

accent

#D247E1

background

#F8F7FD

surface

#F0EEFB

border

#CBC9D4

text

#0D0A15

muted

#7D7C83

Preview Lab

Preview with #404ECC

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

Preview Lab → · Contrast checker → · Palette generator →