#403C71#403C71

#403C71 is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.7% C 0.088 H 284.9°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).

Color values

HEX	#403C71
RGB	rgb(64, 60, 113)
HSL	hsl(245, 31%, 34%)
HSV	hsv(245, 47%, 44%)
CMYK	cmyk(43.4%, 46.9%, 0%, 55.7%)
CIE-LAB	lab(28.15, 16.34, -30.14)
CIE-LCH	lch(28.15, 34.28, 298.47°)
OKLab	oklab(38.7% 0.0227 -0.0852)
OKLCH	oklch(38.7% 0.088 284.9)
XYZ	xyz(6.7100, 5.5137, 16.3303)
Luminance	0.0551 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403C71 #6D713C

analogous

#3C5371 #403C71 #5B3C71

triadic

#403C71 #71403C #3C7140

tetradic

#403C71 #713C53 #6D713C #3C715B

square

#403C71 #713C53 #6D713C #3C715B

split-complementary

#403C71 #715B3C #53713C

monochromatic

#131221 #292749 #403C71 #575199 #7873B5

Accessibility & contrast

On white

9.99

#403C71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#403C71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403C71

9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403C71	#FFFFFF	#000000	##FFFFFF
##403C71	1.00	9.99	2.10	9.99
#FFFFFF	9.99	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#284473

Deuteranopia (green-blind)

#274170

Tritanopia (blue-blind)

#324751

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #403c71;
/* rgb */ color: rgb(64, 60, 113);
/* oklch */ color: oklch(38.7% 0.088 284.9);

Tailwind

colors: {
  custom: {
    50: '#78719a',
    500: '#403c71',
    950: '#000000',
  },
}

SCSS

$custom: #403c71;
$custom-light: #78719a;
$custom-dark: #000000;

JSON

{
  "hex": "#403c71",
  "rgb": {
    "r": 64,
    "g": 60,
    "b": 113
  },
  "hsl": {
    "h": 244.528,
    "s": 30.636,
    "l": 33.922
  },
  "oklch": {
    "l": 0.38704,
    "c": 0.08813,
    "h": 284.9
  },
  "luminance": 0.05514
}

Semantic roles & 50–950 ramp

primary

#403C71

secondary

#9B9F6A

accent

#C761BF

background

#F7F6F9

surface

#EDECF2

border

#C8C7CC

text

#09070E

muted

#7B7A7E

Preview Lab

Preview with #403C71

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

Preview Lab → · Contrast checker → · Palette generator →