#403B83#403B83

#403B83 is a dark, moderate blue. Relative luminance 0.059; OKLCH L 39.8% C 0.117 H 282.8°. Best body text is #FFFFFF at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#403B83
RGB	rgb(64, 59, 131)
HSL	hsl(244, 38%, 37%)
HSV	hsv(244, 55%, 51%)
CMYK	cmyk(51.1%, 55%, 0%, 48.6%)
CIE-LAB	lab(29.05, 22.87, -40.03)
CIE-LCH	lch(29.05, 46.10, 299.74°)
OKLab	oklab(39.75% 0.026 -0.1142)
OKLCH	oklch(39.75% 0.117 282.8)
XYZ	xyz(7.7738, 5.8562, 22.1891)
Luminance	0.0586 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403B83 #7E833B

analogous

#3B5A83 #403B83 #643B83

triadic

#403B83 #83403B #3B8340

tetradic

#403B83 #833B5A #7E833B #3B8364

square

#403B83 #833B5A #7E833B #3B8364

split-complementary

#403B83 #83643B #5A833B

monochromatic

#17152F #2B2859 #403B83 #554EAD #7C77C2

Accessibility & contrast

On white

9.67

#403B83 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#403B83 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403B83

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403B83	#FFFFFF	#000000	##FFFFFF
##403B83	1.00	9.67	2.17	9.67
#FFFFFF	9.67	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#154785

Deuteranopia (green-blind)

#0F4281

Tritanopia (blue-blind)

#274B59

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #403b83;
/* rgb */ color: rgb(64, 59, 131);
/* oklch */ color: oklch(39.8% 0.117 282.8);

Tailwind

colors: {
  custom: {
    50: '#7a71a7',
    500: '#403b83',
    950: '#000000',
  },
}

SCSS

$custom: #403b83;
$custom-light: #7a71a7;
$custom-dark: #000000;

JSON

{
  "hex": "#403b83",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 131
  },
  "hsl": {
    "h": 244.167,
    "s": 37.895,
    "l": 37.255
  },
  "oklch": {
    "l": 0.39754,
    "c": 0.11711,
    "h": 282.8
  },
  "luminance": 0.05857
}

Semantic roles & 50–950 ramp

primary

#403B83

secondary

#A7AB6F

accent

#CE5AC6

background

#F7F6FA

surface

#EEECF4

border

#C9C7CE

text

#0A070F

muted

#7C7A7F

Preview Lab

Preview with #403B83

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

Preview Lab → · Contrast checker → · Palette generator →