#405F9D#405F9D

#405F9D is a mid, moderate blue. Relative luminance 0.117; OKLCH L 49.2% C 0.106 H 263.0°. Best body text is #FFFFFF at 6.28:1 contrast (WCAG AA passes).

Color values

HEX	#405F9D
RGB	rgb(64, 95, 157)
HSL	hsl(220, 42%, 43%)
HSV	hsv(220, 59%, 62%)
CMYK	cmyk(59.2%, 39.5%, 0%, 38.4%)
CIE-LAB	lab(40.75, 8.24, -37.18)
CIE-LCH	lch(40.75, 38.08, 282.49°)
OKLab	oklab(49.19% -0.013 -0.1055)
OKLCH	oklch(49.19% 0.106 263)
XYZ	xyz(12.2903, 11.7077, 33.5039)
Luminance	0.1171 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405F9D #9D7E40

analogous

#408D9D #405F9D #4F409D

triadic

#405F9D #9D405F #5F9D40

tetradic

#405F9D #9D408D #9D7E40 #409D4F

square

#405F9D #9D408D #9D7E40 #409D4F

split-complementary

#405F9D #9D4F40 #8D9D40

monochromatic

#1D2A46 #2E4572 #405F9D #5D7DBD #89A0CF

Accessibility & contrast

On white

6.28

#405F9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.34

#405F9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405F9D

6.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405F9D	#FFFFFF	#000000	##FFFFFF
##405F9D	1.00	6.28	3.34	6.28
#FFFFFF	6.28	1.00	21.00	1.00
#000000	3.34	21.00	1.00	21.00
##FFFFFF	6.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#45659F

Deuteranopia (green-blind)

#395C9C

Tritanopia (blue-blind)

#006D76

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #405f9d;
/* rgb */ color: rgb(64, 95, 157);
/* oklch */ color: oklch(49.2% 0.106 263.0);

Tailwind

colors: {
  custom: {
    50: '#7d8cba',
    500: '#405f9d',
    950: '#000000',
  },
}

SCSS

$custom: #405f9d;
$custom-light: #7d8cba;
$custom-dark: #000000;

JSON

{
  "hex": "#405f9d",
  "rgb": {
    "r": 64,
    "g": 95,
    "b": 157
  },
  "hsl": {
    "h": 220,
    "s": 42.081,
    "l": 43.333
  },
  "oklch": {
    "l": 0.49185,
    "c": 0.1063,
    "h": 263
  },
  "luminance": 0.11709
}

Semantic roles & 50–950 ramp

primary

#405F9D

secondary

#B9A67F

accent

#A956D2

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0C11

muted

#7C7D80

Preview Lab

Preview with #405F9D

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

Preview Lab → · Contrast checker → · Palette generator →