#405D91#405D91

#405D91 is a mid, moderate blue. Relative luminance 0.110; OKLCH L 48.0% C 0.091 H 261.4°. Best body text is #FFFFFF at 6.58:1 contrast (WCAG AA passes).

Color values

HEX	#405D91
RGB	rgb(64, 93, 145)
HSL	hsl(219, 39%, 41%)
HSV	hsv(219, 56%, 57%)
CMYK	cmyk(55.9%, 35.9%, 0%, 43.1%)
CIE-LAB	lab(39.52, 5.38, -31.93)
CIE-LCH	lch(39.52, 32.38, 279.56°)
OKLab	oklab(48.02% -0.0136 -0.0902)
OKLCH	oklch(48.02% 0.091 261.4)
XYZ	xyz(11.1378, 10.9622, 28.3116)
Luminance	0.1096 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405D91 #917440

analogous

#408591 #405D91 #4B4091

triadic

#405D91 #91405D #5D9140

tetradic

#405D91 #914085 #917440 #40914B

square

#405D91 #914085 #917440 #40914B

split-complementary

#405D91 #914B40 #859140

monochromatic

#1B273C #2D4267 #405D91 #597AB6 #839CC8

Accessibility & contrast

On white

6.58

#405D91 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#405D91 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405D91

6.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405D91	#FFFFFF	#000000	##FFFFFF
##405D91	1.00	6.58	3.19	6.58
#FFFFFF	6.58	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#486193

Deuteranopia (green-blind)

#3E5A90

Tritanopia (blue-blind)

#106870

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #405d91;
/* rgb */ color: rgb(64, 93, 145);
/* oklch */ color: oklch(48.0% 0.091 261.4);

Tailwind

colors: {
  custom: {
    50: '#7b8ab1',
    500: '#405d91',
    950: '#000000',
  },
}

SCSS

$custom: #405d91;
$custom-light: #7b8ab1;
$custom-dark: #000000;

JSON

{
  "hex": "#405d91",
  "rgb": {
    "r": 64,
    "g": 93,
    "b": 145
  },
  "hsl": {
    "h": 218.519,
    "s": 38.756,
    "l": 40.98
  },
  "oklch": {
    "l": 0.4802,
    "c": 0.09121,
    "h": 261.4
  },
  "luminance": 0.10963
}

Semantic roles & 50–950 ramp

primary

#405D91

secondary

#B39E7A

accent

#A559CF

background

#F7F8FA

surface

#EEF0F5

border

#C9CBCF

text

#0A0B11

muted

#7C7C80

Preview Lab

Preview with #405D91

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

Preview Lab → · Contrast checker → · Palette generator →