#404ECF#404ECF

#404ECF is a mid, vivid blue. Relative luminance 0.110; OKLCH L 49.4% C 0.197 H 272.2°. Best body text is #FFFFFF at 6.54:1 contrast (WCAG AA passes).

Color values

HEX	#404ECF
RGB	rgb(64, 78, 207)
HSL	hsl(234, 60%, 53%)
HSV	hsv(234, 69%, 81%)
CMYK	cmyk(69.1%, 62.3%, 0%, 18.8%)
CIE-LAB	lab(39.65, 36.76, -68.29)
CIE-LCH	lch(39.65, 77.56, 298.29°)
OKLab	oklab(49.44% 0.0074 -0.1971)
OKLCH	oklch(49.44% 0.197 272.2)
XYZ	xyz(16.0974, 11.0422, 60.3024)
Luminance	0.1104 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#404ECF #CFC140

analogous

#4095CF #404ECF #7940CF

triadic

#404ECF #CF404E #4ECF40

tetradic

#404ECF #CF4095 #CFC140 #40CF79

square

#404ECF #CF4095 #CFC140 #40CF79

split-complementary

#404ECF #CF7940 #95CF40

monochromatic

#1E2777 #2A36A8 #404ECF #717BDB #A2A9E8

Accessibility & contrast

On white

6.54

#404ECF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.21

#404ECF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #404ECF

6.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##404ECF	#FFFFFF	#000000	##FFFFFF
##404ECF	1.00	6.54	3.21	6.54
#FFFFFF	6.54	1.00	21.00	1.00
#000000	3.21	21.00	1.00	21.00
##FFFFFF	6.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0064D3

Deuteranopia (green-blind)

#0057CD

Tritanopia (blue-blind)

#006F87

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #404ecf;
/* rgb */ color: rgb(64, 78, 207);
/* oklch */ color: oklch(49.4% 0.197 272.2);

Tailwind

colors: {
  custom: {
    50: '#877fdf',
    500: '#404ecf',
    950: '#000000',
  },
}

SCSS

$custom: #404ecf;
$custom-light: #877fdf;
$custom-dark: #000000;

JSON

{
  "hex": "#404ecf",
  "rgb": {
    "r": 64,
    "g": 78,
    "b": 207
  },
  "hsl": {
    "h": 234.126,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.49443,
    "c": 0.19725,
    "h": 272.2
  },
  "luminance": 0.11044
}

Semantic roles & 50–950 ramp

primary

#404ECF

secondary

#D4CE97

accent

#D445E3

background

#F9F7FD

surface

#F1EEFB

border

#CBC9D4

text

#0D0A15

muted

#7E7C83

Preview Lab

Preview with #404ECF

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

Preview Lab → · Contrast checker → · Palette generator →