#405F8D#405F8D

#405F8D is a mid, moderate blue. Relative luminance 0.112; OKLCH L 48.3% C 0.083 H 258.1°. Best body text is #FFFFFF at 6.48:1 contrast (WCAG AA passes).

Color values

HEX	#405F8D
RGB	rgb(64, 95, 141)
HSL	hsl(216, 38%, 40%)
HSV	hsv(216, 55%, 55%)
CMYK	cmyk(54.6%, 32.6%, 0%, 44.7%)
CIE-LAB	lab(39.91, 2.76, -28.90)
CIE-LCH	lch(39.91, 29.04, 275.46°)
OKLab	oklab(48.26% -0.0172 -0.0814)
OKLCH	oklch(48.26% 0.083 258.1)
XYZ	xyz(11.0126, 11.1967, 26.7750)
Luminance	0.1120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#405F8D #8D6E40

analogous

#40858D #405F8D #47408D

triadic

#405F8D #8D405F #5F8D40

tetradic

#405F8D #8D4085 #8D6E40 #408D47

square

#405F8D #8D4085 #8D6E40 #408D47

split-complementary

#405F8D #8D4740 #858D40

monochromatic

#1A2639 #2D4363 #405F8D #577CB3 #819DC6

Accessibility & contrast

On white

6.48

#405F8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.24

#405F8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #405F8D

6.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##405F8D	#FFFFFF	#000000	##FFFFFF
##405F8D	1.00	6.48	3.24	6.48
#FFFFFF	6.48	1.00	21.00	1.00
#000000	3.24	21.00	1.00	21.00
##FFFFFF	6.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4D628F

Deuteranopia (green-blind)

#435B8C

Tritanopia (blue-blind)

#16696F

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #405f8d;
/* rgb */ color: rgb(64, 95, 141);
/* oklch */ color: oklch(48.3% 0.083 258.1);

Tailwind

colors: {
  custom: {
    50: '#7a8cae',
    500: '#405f8d',
    950: '#000000',
  },
}

SCSS

$custom: #405f8d;
$custom-light: #7a8cae;
$custom-dark: #000000;

JSON

{
  "hex": "#405f8d",
  "rgb": {
    "r": 64,
    "g": 95,
    "b": 141
  },
  "hsl": {
    "h": 215.844,
    "s": 37.561,
    "l": 40.196
  },
  "oklch": {
    "l": 0.4826,
    "c": 0.08317,
    "h": 258.1
  },
  "luminance": 0.11197
}

Semantic roles & 50–950 ramp

primary

#405F8D

secondary

#B09A78

accent

#9F5ACE

background

#F7F8FA

surface

#EEF0F4

border

#C9CBCE

text

#0A0C10

muted

#7C7D7F

Preview Lab

Preview with #405F8D

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

Preview Lab → · Contrast checker → · Palette generator →