#403979#403979

#403979 is a dark, moderate blue. Relative luminance 0.054; OKLCH L 38.6% C 0.105 H 285.3°. Best body text is #FFFFFF at 10.10:1 contrast (WCAG AA passes).

Color values

HEX	#403979
RGB	rgb(64, 57, 121)
HSL	hsl(247, 36%, 35%)
HSV	hsv(247, 53%, 47%)
CMYK	cmyk(47.1%, 52.9%, 0%, 52.5%)
CIE-LAB	lab(27.84, 20.91, -35.70)
CIE-LCH	lch(27.84, 41.38, 300.36°)
OKLab	oklab(38.63% 0.0278 -0.1015)
OKLCH	oklch(38.63% 0.105 285.3)
XYZ	xyz(7.0277, 5.3964, 18.7568)
Luminance	0.0540 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403979 #727939

analogous

#395279 #403979 #603979

triadic

#403979 #794039 #397940

tetradic

#403979 #793952 #727939 #397960

square

#403979 #793952 #727939 #397960

split-complementary

#403979 #796039 #527939

monochromatic

#141226 #2A254F #403979 #564DA3 #7971BC

Accessibility & contrast

On white

10.10

#403979 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.08

#403979 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403979

10.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403979	#FFFFFF	#000000	##FFFFFF
##403979	1.00	10.10	2.08	10.10
#FFFFFF	10.10	1.00	21.00	1.00
#000000	2.08	21.00	1.00	21.00
##FFFFFF	10.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C447B

Deuteranopia (green-blind)

#1A4078

Tritanopia (blue-blind)

#2E4753

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #403979;
/* rgb */ color: rgb(64, 57, 121);
/* oklch */ color: oklch(38.6% 0.105 285.3);

Tailwind

colors: {
  custom: {
    50: '#796fa0',
    500: '#403979',
    950: '#000000',
  },
}

SCSS

$custom: #403979;
$custom-light: #796fa0;
$custom-dark: #000000;

JSON

{
  "hex": "#403979",
  "rgb": {
    "r": 64,
    "g": 57,
    "b": 121
  },
  "hsl": {
    "h": 246.563,
    "s": 35.955,
    "l": 34.902
  },
  "oklch": {
    "l": 0.3863,
    "c": 0.10524,
    "h": 285.3
  },
  "luminance": 0.05397
}

Semantic roles & 50–950 ramp

primary

#403979

secondary

#9FA569

accent

#CC5CC0

background

#F7F6F9

surface

#EEECF2

border

#C9C7CC

text

#09070F

muted

#7B7A7E

Preview Lab

Preview with #403979

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

Preview Lab → · Contrast checker → · Palette generator →