#403E73#403E73

#403E73 is a dark, moderate blue. Relative luminance 0.058; OKLCH L 39.3% C 0.088 H 283.3°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#403E73
RGB	rgb(64, 62, 115)
HSL	hsl(242, 30%, 35%)
HSV	hsv(242, 46%, 45%)
CMYK	cmyk(44.3%, 46.1%, 0%, 54.9%)
CIE-LAB	lab(28.83, 15.65, -30.32)
CIE-LCH	lch(28.83, 34.12, 297.29°)
OKLab	oklab(39.26% 0.0202 -0.0857)
OKLCH	oklch(39.26% 0.088 283.3)
XYZ	xyz(6.9306, 5.7728, 16.9654)
Luminance	0.0577 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403E73 #71733E

analogous

#3E5773 #403E73 #5B3E73

triadic

#403E73 #73403E #3E7340

tetradic

#403E73 #733E57 #71733E #3E735B

square

#403E73 #733E57 #71733E #3E735B

split-complementary

#403E73 #735B3E #57733E

monochromatic

#141323 #2A294B #403E73 #56539B #7976B5

Accessibility & contrast

On white

9.75

#403E73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#403E73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403E73

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403E73	#FFFFFF	#000000	##FFFFFF
##403E73	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A4675

Deuteranopia (green-blind)

#284272

Tritanopia (blue-blind)

#304953

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #403e73;
/* rgb */ color: rgb(64, 62, 115);
/* oklch */ color: oklch(39.3% 0.088 283.3);

Tailwind

colors: {
  custom: {
    50: '#78739b',
    500: '#403e73',
    950: '#000000',
  },
}

SCSS

$custom: #403e73;
$custom-light: #78739b;
$custom-dark: #000000;

JSON

{
  "hex": "#403e73",
  "rgb": {
    "r": 64,
    "g": 62,
    "b": 115
  },
  "hsl": {
    "h": 242.264,
    "s": 29.944,
    "l": 34.706
  },
  "oklch": {
    "l": 0.39259,
    "c": 0.08805,
    "h": 283.3
  },
  "luminance": 0.05773
}

Semantic roles & 50–950 ramp

primary

#403E73

secondary

#9EA06D

accent

#C662C2

background

#F7F6F9

surface

#EDECF2

border

#C8C7CC

text

#09080E

muted

#7B7B7E

Preview Lab

Preview with #403E73

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

Preview Lab → · Contrast checker → · Palette generator →