#405ECF#405ECF

#405ECF is a mid, vivid blue. Relative luminance 0.136; OKLCH L 52.4% C 0.178 H 268.4°. Best body text is #FFFFFF at 5.65:1 contrast (WCAG AA passes).

Color values

HEX	#405ECF
RGB	rgb(64, 94, 207)
HSL	hsl(227, 60%, 53%)
HSV	hsv(227, 69%, 81%)
CMYK	cmyk(69.1%, 54.6%, 0%, 18.8%)
CIE-LAB	lab(43.65, 26.65, -61.78)
CIE-LCH	lch(43.65, 67.29, 293.34°)
OKLab	oklab(52.42% -0.005 -0.1778)
OKLCH	oklch(52.42% 0.178 268.4)
XYZ	xyz(17.3757, 13.5987, 60.7285)
Luminance	0.1360 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405ECF #CFB140

analogous

#40A5CF #405ECF #6940CF

triadic

#405ECF #CF405E #5ECF40

tetradic

#405ECF #CF40A5 #CFB140 #40CF69

square

#405ECF #CF40A5 #CFB140 #40CF69

split-complementary

#405ECF #CF6940 #A5CF40

monochromatic

#1E3077 #2A44A8 #405ECF #7187DB #A2B0E8

Accessibility & contrast

On white

5.65

#405ECF on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.72

#405ECF on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405ECF

5.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405ECF	#FFFFFF	#000000	##FFFFFF
##405ECF	1.00	5.65	3.72	5.65
#FFFFFF	5.65	1.00	21.00	1.00
#000000	3.72	21.00	1.00	21.00
##FFFFFF	5.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ED3

Deuteranopia (green-blind)

#0061CD

Tritanopia (blue-blind)

#00798D

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #405ecf;
/* rgb */ color: rgb(64, 94, 207);
/* oklch */ color: oklch(52.4% 0.178 268.4);

Tailwind

colors: {
  custom: {
    50: '#868bde',
    500: '#405ecf',
    950: '#000000',
  },
}

SCSS

$custom: #405ecf;
$custom-light: #868bde;
$custom-dark: #000000;

JSON

{
  "hex": "#405ecf",
  "rgb": {
    "r": 64,
    "g": 94,
    "b": 207
  },
  "hsl": {
    "h": 227.413,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.52421,
    "c": 0.17787,
    "h": 268.4
  },
  "luminance": 0.136
}

Semantic roles & 50–950 ramp

primary

#405ECF

secondary

#D4C797

accent

#C245E3

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #405ECF

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

Preview Lab → · Contrast checker → · Palette generator →