#403C79#403C79

#403C79 is a dark, moderate blue. Relative luminance 0.057; OKLCH L 39.2% C 0.101 H 283.7°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#403C79
RGB	rgb(64, 60, 121)
HSL	hsl(244, 34%, 35%)
HSV	hsv(244, 50%, 47%)
CMYK	cmyk(47.1%, 50.4%, 0%, 52.5%)
CIE-LAB	lab(28.65, 18.92, -34.41)
CIE-LCH	lch(28.65, 39.27, 298.81°)
OKLab	oklab(39.24% 0.0238 -0.0977)
OKLCH	oklch(39.24% 0.101 283.7)
XYZ	xyz(7.1804, 5.7019, 18.8077)
Luminance	0.0570 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403C79 #75793C

analogous

#3C5679 #403C79 #5E3C79

triadic

#403C79 #79403C #3C7940

tetradic

#403C79 #793C56 #75793C #3C795E

square

#403C79 #793C56 #75793C #3C795E

split-complementary

#403C79 #795E3C #56793C

monochromatic

#151327 #2A2850 #403C79 #5650A2 #7975BB

Accessibility & contrast

On white

9.81

#403C79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#403C79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403C79

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403C79	#FFFFFF	#000000	##FFFFFF
##403C79	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22457B

Deuteranopia (green-blind)

#204278

Tritanopia (blue-blind)

#2D4954

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #403c79;
/* rgb */ color: rgb(64, 60, 121);
/* oklch */ color: oklch(39.2% 0.101 283.7);

Tailwind

colors: {
  custom: {
    50: '#7971a0',
    500: '#403c79',
    950: '#000000',
  },
}

SCSS

$custom: #403c79;
$custom-light: #7971a0;
$custom-dark: #000000;

JSON

{
  "hex": "#403c79",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 121
  },
  "hsl": {
    "h": 243.934,
    "s": 33.702,
    "l": 35.49
  },
  "oklch": {
    "l": 0.3924,
    "c": 0.10054,
    "h": 283.7
  },
  "luminance": 0.05702
}

Semantic roles & 50–950 ramp

primary

#403C79

secondary

#A1A46C

accent

#CA5EC3

background

#F7F6F9

surface

#EEECF2

border

#C9C7CC

text

#09070F

muted

#7B7A7E

Preview Lab

Preview with #403C79

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

Preview Lab → · Contrast checker → · Palette generator →