#403687#403687

#403687 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.1% C 0.130 H 284.2°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#403687
RGB	rgb(64, 54, 135)
HSL	hsl(247, 43%, 37%)
HSV	hsv(247, 60%, 53%)
CMYK	cmyk(52.6%, 60%, 0%, 47.1%)
CIE-LAB	lab(28.05, 27.45, -44.12)
CIE-LCH	lch(28.05, 51.96, 301.88°)
OKLab	oklab(39.11% 0.032 -0.1263)
OKLCH	oklch(39.11% 0.13 284.2)
XYZ	xyz(7.8054, 5.4772, 23.5629)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403687 #7D8736

analogous

#365587 #403687 #683687

triadic

#403687 #874036 #368740

tetradic

#403687 #873655 #7D8736 #368768

square

#403687 #873655 #7D8736 #368768

split-complementary

#403687 #876836 #558736

monochromatic

#171330 #2B255B #403687 #5547B3 #7C71C6

Accessibility & contrast

On white

10.02

#403687 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#403687 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403687

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403687	#FFFFFF	#000000	##FFFFFF
##403687	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00458A

Deuteranopia (green-blind)

#004085

Tritanopia (blue-blind)

#254959

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #403687;
/* rgb */ color: rgb(64, 54, 135);
/* oklch */ color: oklch(39.1% 0.130 284.2);

Tailwind

colors: {
  custom: {
    50: '#7b6dab',
    500: '#403687',
    950: '#000000',
  },
}

SCSS

$custom: #403687;
$custom-light: #7b6dab;
$custom-dark: #000000;

JSON

{
  "hex": "#403687",
  "rgb": {
    "r": 64,
    "g": 54,
    "b": 135
  },
  "hsl": {
    "h": 247.407,
    "s": 42.857,
    "l": 37.059
  },
  "oklch": {
    "l": 0.3911,
    "c": 0.13025,
    "h": 284.2
  },
  "luminance": 0.05478
}

Semantic roles & 50–950 ramp

primary

#403687

secondary

#A6AF6A

accent

#D355C3

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#0A0710

muted

#7C7A7F

Preview Lab

Preview with #403687

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

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