#403D89#403D89

#403D89 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.6% C 0.123 H 281.2°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#403D89
RGB	rgb(64, 61, 137)
HSL	hsl(242, 38%, 39%)
HSV	hsv(242, 55%, 54%)
CMYK	cmyk(53.3%, 55.5%, 0%, 46.3%)
CIE-LAB	lab(29.99, 23.56, -42.23)
CIE-LCH	lch(29.99, 48.35, 299.15°)
OKLab	oklab(40.6% 0.0239 -0.1206)
OKLCH	oklch(40.6% 0.123 281.2)
XYZ	xyz(8.2971, 6.2331, 24.4280)
Luminance	0.0623 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403D89 #86893D

analogous

#3D6089 #403D89 #663D89

triadic

#403D89 #89403D #3D8940

tetradic

#403D89 #893D60 #86893D #3D8966

square

#403D89 #893D60 #86893D #3D8966

split-complementary

#403D89 #89663D #60893D

monochromatic

#181734 #2C2A5F #403D89 #5551B2 #7F7CC5

Accessibility & contrast

On white

9.35

#403D89 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#403D89 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403D89

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403D89	#FFFFFF	#000000	##FFFFFF
##403D89	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11498C

Deuteranopia (green-blind)

#064487

Tritanopia (blue-blind)

#224E5D

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #403d89;
/* rgb */ color: rgb(64, 61, 137);
/* oklch */ color: oklch(40.6% 0.123 281.2);

Tailwind

colors: {
  custom: {
    50: '#7b72ac',
    500: '#403d89',
    950: '#000000',
  },
}

SCSS

$custom: #403d89;
$custom-light: #7b72ac;
$custom-dark: #000000;

JSON

{
  "hex": "#403d89",
  "rgb": {
    "r": 64,
    "g": 61,
    "b": 137
  },
  "hsl": {
    "h": 242.368,
    "s": 38.384,
    "l": 38.824
  },
  "oklch": {
    "l": 0.40595,
    "c": 0.12299,
    "h": 281.2
  },
  "luminance": 0.06234
}

Semantic roles & 50–950 ramp

primary

#403D89

secondary

#ACAE73

accent

#CE59CA

background

#F7F6FA

surface

#EEECF4

border

#C9C7CE

text

#0A0810

muted

#7C7B7F

Preview Lab

Preview with #403D89

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

Preview Lab → · Contrast checker → · Palette generator →