#403E67#403E67

#403E67 is a dark, moderate blue. Relative luminance 0.055; OKLCH L 38.5% C 0.069 H 284.9°. Best body text is #FFFFFF at 9.99:1 contrast (WCAG AA passes).

Color values

HEX	#403E67
RGB	rgb(64, 62, 103)
HSL	hsl(243, 25%, 32%)
HSV	hsv(243, 40%, 40%)
CMYK	cmyk(37.9%, 39.8%, 0%, 59.6%)
CIE-LAB	lab(28.15, 11.87, -23.76)
CIE-LCH	lch(28.15, 26.56, 296.55°)
OKLab	oklab(38.52% 0.0177 -0.0666)
OKLCH	oklch(38.52% 0.069 284.9)
XYZ	xyz(6.2845, 5.5143, 13.5626)
Luminance	0.0551 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403E67 #65673E

analogous

#3E5167 #403E67 #553E67

triadic

#403E67 #67403E #3E6740

tetradic

#403E67 #673E51 #65673E #3E6755

square

#403E67 #673E51 #65673E #3E6755

split-complementary

#403E67 #67553E #51673E

monochromatic

#11101B #282741 #403E67 #58558D #7774AB

Accessibility & contrast

On white

9.99

#403E67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#403E67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403E67

9.99:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403E67	#FFFFFF	#000000	##FFFFFF
##403E67	1.00	9.99	2.10	9.99
#FFFFFF	9.99	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	9.99	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#314469

Deuteranopia (green-blind)

#304166

Tritanopia (blue-blind)

#36464D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #403e67;
/* rgb */ color: rgb(64, 62, 103);
/* oklch */ color: oklch(38.5% 0.069 284.9);

Tailwind

colors: {
  custom: {
    50: '#767392',
    500: '#403e67',
    950: '#000000',
  },
}

SCSS

$custom: #403e67;
$custom-light: #767392;
$custom-dark: #000000;

JSON

{
  "hex": "#403e67",
  "rgb": {
    "r": 64,
    "g": 62,
    "b": 103
  },
  "hsl": {
    "h": 242.927,
    "s": 24.848,
    "l": 32.353
  },
  "oklch": {
    "l": 0.3852,
    "c": 0.06888,
    "h": 284.9
  },
  "luminance": 0.05515
}

Semantic roles & 50–950 ramp

primary

#403E67

secondary

#94966A

accent

#C167BD

background

#F7F6F9

surface

#EDECF1

border

#C8C7CB

text

#09080D

muted

#7B7B7E

Preview Lab

Preview with #403E67

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

Preview Lab → · Contrast checker → · Palette generator →