#403E83#403E83

#403E83 is a dark, moderate blue. Relative luminance 0.062; OKLCH L 40.4% C 0.113 H 281.4°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#403E83
RGB	rgb(64, 62, 131)
HSL	hsl(242, 36%, 38%)
HSV	hsv(242, 53%, 51%)
CMYK	cmyk(51.1%, 52.7%, 0%, 48.6%)
CIE-LAB	lab(29.85, 20.89, -38.74)
CIE-LCH	lch(29.85, 44.02, 298.34°)
OKLab	oklab(40.35% 0.0223 -0.1104)
OKLCH	oklch(40.35% 0.113 281.4)
XYZ	xyz(7.9325, 6.1735, 22.2420)
Luminance	0.0617 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403E83 #81833E

analogous

#3E5E83 #403E83 #623E83

triadic

#403E83 #83403E #3E8340

tetradic

#403E83 #833E5E #81833E #3E8362

square

#403E83 #833E5E #81833E #3E8362

split-complementary

#403E83 #83623E #5E833E

monochromatic

#171730 #2C2A59 #403E83 #5452AD #7D7BC0

Accessibility & contrast

On white

9.40

#403E83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#403E83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403E83

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403E83	#FFFFFF	#000000	##FFFFFF
##403E83	1.00	9.40	2.23	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D4985

Deuteranopia (green-blind)

#174481

Tritanopia (blue-blind)

#274D5A

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #403e83;
/* rgb */ color: rgb(64, 62, 131);
/* oklch */ color: oklch(40.4% 0.113 281.4);

Tailwind

colors: {
  custom: {
    50: '#7a73a7',
    500: '#403e83',
    950: '#000000',
  },
}

SCSS

$custom: #403e83;
$custom-light: #7a73a7;
$custom-dark: #000000;

JSON

{
  "hex": "#403e83",
  "rgb": {
    "r": 64,
    "g": 62,
    "b": 131
  },
  "hsl": {
    "h": 241.739,
    "s": 35.751,
    "l": 37.843
  },
  "oklch": {
    "l": 0.40353,
    "c": 0.11261,
    "h": 281.4
  },
  "luminance": 0.06174
}

Semantic roles & 50–950 ramp

primary

#403E83

secondary

#A9AB72

accent

#CC5CC9

background

#F7F6FA

surface

#EEECF4

border

#C9C7CE

text

#0A080F

muted

#7C7B7F

Preview Lab

Preview with #403E83

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

Preview Lab → · Contrast checker → · Palette generator →