#403B67#403B67

#403B67 is a dark, moderate blue. Relative luminance 0.052; OKLCH L 37.9% C 0.074 H 287.5°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#403B67
RGB	rgb(64, 59, 103)
HSL	hsl(247, 27%, 32%)
HSV	hsv(247, 43%, 40%)
CMYK	cmyk(37.9%, 42.7%, 0%, 59.6%)
CIE-LAB	lab(27.29, 13.88, -25.12)
CIE-LCH	lch(27.29, 28.70, 298.92°)
OKLab	oklab(37.86% 0.0223 -0.0705)
OKLCH	oklch(37.86% 0.074 287.5)
XYZ	xyz(6.1258, 5.1970, 13.5097)
Luminance	0.0520 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403B67 #62673B

analogous

#3B4C67 #403B67 #563B67

triadic

#403B67 #67403B #3B6740

tetradic

#403B67 #673B4C #62673B #3B6756

square

#403B67 #673B4C #62673B #3B6756

split-complementary

#403B67 #67563B #4C673B

monochromatic

#100E19 #282540 #403B67 #58518E #7770AD

Accessibility & contrast

On white

10.30

#403B67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#403B67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403B67

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403B67	#FFFFFF	#000000	##FFFFFF
##403B67	1.00	10.30	2.04	10.30
#FFFFFF	10.30	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4269

Deuteranopia (green-blind)

#2C3F66

Tritanopia (blue-blind)

#36434C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #403b67;
/* rgb */ color: rgb(64, 59, 103);
/* oklch */ color: oklch(37.9% 0.074 287.5);

Tailwind

colors: {
  custom: {
    50: '#767192',
    500: '#403b67',
    950: '#000000',
  },
}

SCSS

$custom: #403b67;
$custom-light: #767192;
$custom-dark: #000000;

JSON

{
  "hex": "#403b67",
  "rgb": {
    "r": 64,
    "g": 59,
    "b": 103
  },
  "hsl": {
    "h": 246.818,
    "s": 27.16,
    "l": 31.765
  },
  "oklch": {
    "l": 0.37861,
    "c": 0.07394,
    "h": 287.5
  },
  "luminance": 0.05197
}

Semantic roles & 50–950 ramp

primary

#403B67

secondary

#929767

accent

#C364B9

background

#F7F6F9

surface

#EDECF1

border

#C8C7CB

text

#09070D

muted

#7B7A7E

Preview Lab

Preview with #403B67

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

Preview Lab → · Contrast checker → · Palette generator →