#403B68#403B68

#403B68 is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.9% C 0.076 H 287.3°. Best body text is #FFFFFF at 10.28:1 contrast (WCAG AA passes).

Color values

HEX	#403B68
RGB	rgb(64, 59, 104)
HSL	hsl(247, 28%, 32%)
HSV	hsv(247, 43%, 41%)
CMYK	cmyk(38.5%, 43.3%, 0%, 59.2%)
CIE-LAB	lab(27.34, 14.19, -25.67)
CIE-LCH	lch(27.34, 29.33, 298.93°)
OKLab	oklab(37.92% 0.0225 -0.0721)
OKLCH	oklch(37.92% 0.076 287.3)
XYZ	xyz(6.1763, 5.2172, 13.7756)
Luminance	0.0522 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403B68 #63683B

analogous

#3B4D68 #403B68 #573B68

triadic

#403B68 #68403B #3B6840

tetradic

#403B68 #683B4D #63683B #3B6857

square

#403B68 #683B4D #63683B #3B6857

split-complementary

#403B68 #68573B #4D683B

monochromatic

#100F1A #282541 #403B68 #58518F #7770AE

Accessibility & contrast

On white

10.28

#403B68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#403B68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403B68

10.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403B68	#FFFFFF	#000000	##FFFFFF
##403B68	1.00	10.28	2.04	10.28
#FFFFFF	10.28	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C426A

Deuteranopia (green-blind)

#2C3F67

Tritanopia (blue-blind)

#36444C

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #403b68;
/* rgb */ color: rgb(64, 59, 104);
/* oklch */ color: oklch(37.9% 0.076 287.3);

Tailwind

colors: {
  custom: {
    50: '#777193',
    500: '#403b68',
    950: '#000000',
  },
}

SCSS

$custom: #403b68;
$custom-light: #777193;
$custom-dark: #000000;

JSON

{
  "hex": "#403b68",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 104
  },
  "hsl": {
    "h": 246.667,
    "s": 27.607,
    "l": 31.961
  },
  "oklch": {
    "l": 0.37922,
    "c": 0.07555,
    "h": 287.3
  },
  "luminance": 0.05217
}

Semantic roles & 50–950 ramp

primary

#403B68

secondary

#939867

accent

#C464B9

background

#F7F6F9

surface

#EDECF1

border

#C8C7CB

text

#09070D

muted

#7B7A7E

Preview Lab

Preview with #403B68

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

Preview Lab → · Contrast checker → · Palette generator →