#403B79#403B79

#403B79 is a dark, moderate blue. Relative luminance 0.056; OKLCH L 39.0% C 0.102 H 284.3°. Best body text is #FFFFFF at 9.91:1 contrast (WCAG AA passes).

Color values

HEX	#403B79
RGB	rgb(64, 59, 121)
HSL	hsl(245, 34%, 35%)
HSV	hsv(245, 51%, 47%)
CMYK	cmyk(47.1%, 51.2%, 0%, 52.5%)
CIE-LAB	lab(28.38, 19.59, -34.84)
CIE-LCH	lch(28.38, 39.97, 299.34°)
OKLab	oklab(39.03% 0.0252 -0.0989)
OKLCH	oklch(39.03% 0.102 284.3)
XYZ	xyz(7.1285, 5.5981, 18.7904)
Luminance	0.0560 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403B79 #74793B

analogous

#3B5579 #403B79 #5F3B79

triadic

#403B79 #79403B #3B7940

tetradic

#403B79 #793B55 #74793B #3B795F

square

#403B79 #793B55 #74793B #3B795F

split-complementary

#403B79 #795F3B #55793B

monochromatic

#141327 #2A2750 #403B79 #564FA2 #7973BB

Accessibility & contrast

On white

9.91

#403B79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#403B79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403B79

9.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403B79	#FFFFFF	#000000	##FFFFFF
##403B79	1.00	9.91	2.12	9.91
#FFFFFF	9.91	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#20457B

Deuteranopia (green-blind)

#1E4178

Tritanopia (blue-blind)

#2E4854

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #403b79;
/* rgb */ color: rgb(64, 59, 121);
/* oklch */ color: oklch(39.0% 0.102 284.3);

Tailwind

colors: {
  custom: {
    50: '#7971a0',
    500: '#403b79',
    950: '#000000',
  },
}

SCSS

$custom: #403b79;
$custom-light: #7971a0;
$custom-dark: #000000;

JSON

{
  "hex": "#403b79",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 121
  },
  "hsl": {
    "h": 244.839,
    "s": 34.444,
    "l": 35.294
  },
  "oklch": {
    "l": 0.39035,
    "c": 0.1021,
    "h": 284.3
  },
  "luminance": 0.05598
}

Semantic roles & 50–950 ramp

primary

#403B79

secondary

#A0A56B

accent

#CB5DC2

background

#F7F6F9

surface

#EEECF2

border

#C9C7CC

text

#09070F

muted

#7B7A7E

Preview Lab

Preview with #403B79

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

Preview Lab → · Contrast checker → · Palette generator →