#403A7E#403A7E

#403A7E is a dark, moderate blue. Relative luminance 0.056; OKLCH L 39.2% C 0.111 H 284.0°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#403A7E
RGB	rgb(64, 58, 126)
HSL	hsl(245, 37%, 36%)
HSV	hsv(245, 54%, 49%)
CMYK	cmyk(49.2%, 54%, 0%, 50.6%)
CIE-LAB	lab(28.44, 21.88, -37.88)
CIE-LCH	lch(28.44, 43.75, 300.01°)
OKLab	oklab(39.19% 0.0269 -0.1079)
OKLCH	oklch(39.19% 0.111 284)
XYZ	xyz(7.3922, 5.6221, 20.4303)
Luminance	0.0562 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403A7E #787E3A

analogous

#3A567E #403A7E #623A7E

triadic

#403A7E #7E403A #3A7E40

tetradic

#403A7E #7E3A56 #787E3A #3A7E62

square

#403A7E #7E3A56 #787E3A #3A7E62

split-complementary

#403A7E #7E623A #567E3A

monochromatic

#15132A #2B2754 #403A7E #554DA8 #7A74BF

Accessibility & contrast

On white

9.89

#403A7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#403A7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403A7E

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403A7E	#FFFFFF	#000000	##FFFFFF
##403A7E	1.00	9.89	2.12	9.89
#FFFFFF	9.89	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#194580

Deuteranopia (green-blind)

#15417D

Tritanopia (blue-blind)

#2B4956

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #403a7e;
/* rgb */ color: rgb(64, 58, 126);
/* oklch */ color: oklch(39.2% 0.111 284.0);

Tailwind

colors: {
  custom: {
    50: '#7970a4',
    500: '#403a7e',
    950: '#000000',
  },
}

SCSS

$custom: #403a7e;
$custom-light: #7970a4;
$custom-dark: #000000;

JSON

{
  "hex": "#403a7e",
  "rgb": {
    "r": 64,
    "g": 58,
    "b": 126
  },
  "hsl": {
    "h": 245.294,
    "s": 36.957,
    "l": 36.078
  },
  "oklch": {
    "l": 0.3919,
    "c": 0.11119,
    "h": 284
  },
  "luminance": 0.05622
}

Semantic roles & 50–950 ramp

primary

#403A7E

secondary

#A3A86C

accent

#CD5BC3

background

#F7F6FA

surface

#EEECF4

border

#C9C7CE

text

#09070F

muted

#7B7A7F

Preview Lab

Preview with #403A7E

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

Preview Lab → · Contrast checker → · Palette generator →