#403A68#403A68

#403A68 is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.7% C 0.077 H 288.1°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#403A68
RGB	rgb(64, 58, 104)
HSL	hsl(248, 28%, 32%)
HSV	hsv(248, 44%, 41%)
CMYK	cmyk(38.5%, 44.2%, 0%, 59.2%)
CIE-LAB	lab(27.06, 14.86, -26.12)
CIE-LCH	lch(27.06, 30.05, 299.63°)
OKLab	oklab(37.71% 0.024 -0.0734)
OKLCH	oklch(37.71% 0.077 288.1)
XYZ	xyz(6.1254, 5.1154, 13.7587)
Luminance	0.0512 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#403A68 #62683A

analogous

#3A4B68 #403A68 #573A68

triadic

#403A68 #68403A #3A6840

tetradic

#403A68 #683A4B #62683A #3A6857

square

#403A68 #683A4B #62683A #3A6857

split-complementary

#403A68 #68573A #4B683A

monochromatic

#100E19 #282441 #403A68 #58508F #776EAE

Accessibility & contrast

On white

10.38

#403A68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#403A68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #403A68

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##403A68	#FFFFFF	#000000	##FFFFFF
##403A68	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B416A

Deuteranopia (green-blind)

#2B3F67

Tritanopia (blue-blind)

#36434C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #403a68;
/* rgb */ color: rgb(64, 58, 104);
/* oklch */ color: oklch(37.7% 0.077 288.1);

Tailwind

colors: {
  custom: {
    50: '#777093',
    500: '#403a68',
    950: '#000000',
  },
}

SCSS

$custom: #403a68;
$custom-light: #777093;
$custom-dark: #000000;

JSON

{
  "hex": "#403a68",
  "rgb": {
    "r": 64,
    "g": 58,
    "b": 104
  },
  "hsl": {
    "h": 247.826,
    "s": 28.395,
    "l": 31.765
  },
  "oklch": {
    "l": 0.37706,
    "c": 0.07725,
    "h": 288.1
  },
  "luminance": 0.05116
}

Semantic roles & 50–950 ramp

primary

#403A68

secondary

#929866

accent

#C563B8

background

#F7F6F9

surface

#EDECF1

border

#C8C7CB

text

#09070D

muted

#7B7A7E

Preview Lab

Preview with #403A68

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

Preview Lab → · Contrast checker → · Palette generator →