#405D9D#405D9D

#405D9D is a mid, moderate blue. Relative luminance 0.114; OKLCH L 48.7% C 0.109 H 264.3°. Best body text is #FFFFFF at 6.42:1 contrast (WCAG AA passes).

Color values

HEX	#405D9D
RGB	rgb(64, 93, 157)
HSL	hsl(221, 42%, 43%)
HSV	hsv(221, 59%, 62%)
CMYK	cmyk(59.2%, 40.8%, 0%, 38.4%)
CIE-LAB	lab(40.17, 9.51, -38.10)
CIE-LCH	lch(40.17, 39.27, 284.02°)
OKLab	oklab(48.74% -0.0107 -0.1082)
OKLCH	oklch(48.74% 0.109 264.3)
XYZ	xyz(12.1124, 11.3520, 33.4446)
Luminance	0.1135 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405D9D #9D8040

analogous

#408B9D #405D9D #51409D

triadic

#405D9D #9D405D #5D9D40

tetradic

#405D9D #9D408B #9D8040 #409D51

square

#405D9D #9D408B #9D8040 #409D51

split-complementary

#405D9D #9D5140 #8B9D40

monochromatic

#1D2946 #2E4372 #405D9D #5D7BBD #899FCF

Accessibility & contrast

On white

6.42

#405D9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.27

#405D9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405D9D

6.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405D9D	#FFFFFF	#000000	##FFFFFF
##405D9D	1.00	6.42	3.27	6.42
#FFFFFF	6.42	1.00	21.00	1.00
#000000	3.27	21.00	1.00	21.00
##FFFFFF	6.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4263A0

Deuteranopia (green-blind)

#355B9C

Tritanopia (blue-blind)

#006B75

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #405d9d;
/* rgb */ color: rgb(64, 93, 157);
/* oklch */ color: oklch(48.7% 0.109 264.3);

Tailwind

colors: {
  custom: {
    50: '#7d8aba',
    500: '#405d9d',
    950: '#000000',
  },
}

SCSS

$custom: #405d9d;
$custom-light: #7d8aba;
$custom-dark: #000000;

JSON

{
  "hex": "#405d9d",
  "rgb": {
    "r": 64,
    "g": 93,
    "b": 157
  },
  "hsl": {
    "h": 221.29,
    "s": 42.081,
    "l": 43.333
  },
  "oklch": {
    "l": 0.48736,
    "c": 0.10875,
    "h": 264.3
  },
  "luminance": 0.11353
}

Semantic roles & 50–950 ramp

primary

#405D9D

secondary

#B9A77F

accent

#AB56D2

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0B11

muted

#7C7C80

Preview Lab

Preview with #405D9D

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

Preview Lab → · Contrast checker → · Palette generator →