#405E9D#405E9D

#405E9D is a mid, moderate blue. Relative luminance 0.115; OKLCH L 49.0% C 0.108 H 263.7°. Best body text is #FFFFFF at 6.35:1 contrast (WCAG AA passes).

Color values

HEX	#405E9D
RGB	rgb(64, 94, 157)
HSL	hsl(221, 42%, 43%)
HSV	hsv(221, 59%, 62%)
CMYK	cmyk(59.2%, 40.1%, 0%, 38.4%)
CIE-LAB	lab(40.46, 8.87, -37.64)
CIE-LCH	lch(40.46, 38.68, 283.27°)
OKLab	oklab(48.96% -0.0118 -0.1069)
OKLCH	oklch(48.96% 0.108 263.7)
XYZ	xyz(12.2008, 11.5287, 33.4741)
Luminance	0.1153 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405E9D #9D7F40

analogous

#408C9D #405E9D #50409D

triadic

#405E9D #9D405E #5E9D40

tetradic

#405E9D #9D408C #9D7F40 #409D50

square

#405E9D #9D408C #9D7F40 #409D50

split-complementary

#405E9D #9D5040 #8C9D40

monochromatic

#1D2A46 #2E4472 #405E9D #5D7CBD #899FCF

Accessibility & contrast

On white

6.35

#405E9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.31

#405E9D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405E9D

6.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405E9D	#FFFFFF	#000000	##FFFFFF
##405E9D	1.00	6.35	3.31	6.35
#FFFFFF	6.35	1.00	21.00	1.00
#000000	3.31	21.00	1.00	21.00
##FFFFFF	6.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#43649F

Deuteranopia (green-blind)

#375B9C

Tritanopia (blue-blind)

#006C76

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #405e9d;
/* rgb */ color: rgb(64, 94, 157);
/* oklch */ color: oklch(49.0% 0.108 263.7);

Tailwind

colors: {
  custom: {
    50: '#7d8bba',
    500: '#405e9d',
    950: '#000000',
  },
}

SCSS

$custom: #405e9d;
$custom-light: #7d8bba;
$custom-dark: #000000;

JSON

{
  "hex": "#405e9d",
  "rgb": {
    "r": 64,
    "g": 94,
    "b": 157
  },
  "hsl": {
    "h": 220.645,
    "s": 42.081,
    "l": 43.333
  },
  "oklch": {
    "l": 0.4896,
    "c": 0.10752,
    "h": 263.7
  },
  "luminance": 0.1153
}

Semantic roles & 50–950 ramp

primary

#405E9D

secondary

#B9A77F

accent

#AA56D2

background

#F7F8FB

surface

#EEF0F6

border

#C9CBD0

text

#0A0B11

muted

#7C7C80

Preview Lab

Preview with #405E9D

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

Preview Lab → · Contrast checker → · Palette generator →