#403A67#403A67

#403A67 is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.6% C 0.076 H 288.3°. Best body text is #FFFFFF at 10.40:1 contrast (WCAG AA passes).

Color values

HEX	#403A67
RGB	rgb(64, 58, 103)
HSL	hsl(248, 28%, 32%)
HSV	hsv(248, 44%, 40%)
CMYK	cmyk(37.9%, 43.7%, 0%, 59.6%)
CIE-LAB	lab(27.00, 14.55, -25.57)
CIE-LCH	lch(27.00, 29.41, 299.64°)
OKLab	oklab(37.64% 0.0238 -0.0718)
OKLCH	oklch(37.64% 0.076 288.3)
XYZ	xyz(6.0749, 5.0952, 13.4927)
Luminance	0.0510 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403A67 #61673A

analogous

#3A4B67 #403A67 #573A67

triadic

#403A67 #67403A #3A6740

tetradic

#403A67 #673A4B #61673A #3A6757

square

#403A67 #673A4B #61673A #3A6757

split-complementary

#403A67 #67573A #4B673A

monochromatic

#0F0E19 #282440 #403A67 #58508E #766EAD

Accessibility & contrast

On white

10.40

#403A67 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#403A67 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403A67

10.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403A67	#FFFFFF	#000000	##FFFFFF
##403A67	1.00	10.40	2.02	10.40
#FFFFFF	10.40	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B4169

Deuteranopia (green-blind)

#2B3F66

Tritanopia (blue-blind)

#36434B

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #403a67;
/* rgb */ color: rgb(64, 58, 103);
/* oklch */ color: oklch(37.6% 0.076 288.3);

Tailwind

colors: {
  custom: {
    50: '#777092',
    500: '#403a67',
    950: '#000000',
  },
}

SCSS

$custom: #403a67;
$custom-light: #777092;
$custom-dark: #000000;

JSON

{
  "hex": "#403a67",
  "rgb": {
    "r": 64,
    "g": 58,
    "b": 103
  },
  "hsl": {
    "h": 248,
    "s": 27.95,
    "l": 31.569
  },
  "oklch": {
    "l": 0.37644,
    "c": 0.07566,
    "h": 288.3
  },
  "luminance": 0.05095
}

Semantic roles & 50–950 ramp

primary

#403A67

secondary

#919766

accent

#C464B7

background

#F7F6F9

surface

#EDECF1

border

#C8C7CB

text

#09070D

muted

#7B7A7E

Preview Lab

Preview with #403A67

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

Preview Lab → · Contrast checker → · Palette generator →