#3A405A#3A405A

#3A405A is a dark, muted blue. Relative luminance 0.053; OKLCH L 37.7% C 0.045 H 274.0°. Best body text is #FFFFFF at 10.19:1 contrast (WCAG AA passes).

Color values

HEX	#3A405A
RGB	rgb(58, 64, 90)
HSL	hsl(229, 22%, 29%)
HSV	hsv(229, 36%, 35%)
CMYK	cmyk(35.6%, 28.9%, 0%, 64.7%)
CIE-LAB	lab(27.58, 4.63, -16.30)
CIE-LCH	lch(27.58, 16.95, 285.84°)
OKLab	oklab(37.74% 0.0032 -0.0452)
OKLCH	oklch(37.74% 0.045 274)
XYZ	xyz(5.4233, 5.3043, 10.4090)
Luminance	0.0530 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A405A #5A543A

analogous

#3A505A #3A405A #443A5A

triadic

#3A405A #5A3A40 #405A3A

tetradic

#3A405A #5A3A50 #5A543A #3A5A44

square

#3A405A #5A3A50 #5A543A #3A5A44

split-complementary

#3A405A #5A443A #505A3A

monochromatic

#0C0D13 #222635 #3A405A #525A7F #6D77A1

Accessibility & contrast

On white

10.19

#3A405A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#3A405A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A405A

10.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A405A	#FFFFFF	#000000	##FFFFFF
##3A405A	1.00	10.19	2.06	10.19
#FFFFFF	10.19	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38435B

Deuteranopia (green-blind)

#364059

Tritanopia (blue-blind)

#314549

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3a405a;
/* rgb */ color: rgb(58, 64, 90);
/* oklch */ color: oklch(37.7% 0.045 274.0);

Tailwind

colors: {
  custom: {
    50: '#717488',
    500: '#3a405a',
    950: '#000000',
  },
}

SCSS

$custom: #3a405a;
$custom-light: #717488;
$custom-dark: #000000;

JSON

{
  "hex": "#3a405a",
  "rgb": {
    "r": 58,
    "g": 64,
    "b": 90
  },
  "hsl": {
    "h": 228.75,
    "s": 21.622,
    "l": 29.02
  },
  "oklch": {
    "l": 0.37739,
    "c": 0.04532,
    "h": 274
  },
  "luminance": 0.05305
}

Semantic roles & 50–950 ramp

primary

#3A405A

secondary

#8A8366

accent

#AE6ABE

background

#F6F7F8

surface

#ECEDF0

border

#C7C8CB

text

#08080B

muted

#7B7B7C

Preview Lab

Preview with #3A405A

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

Preview Lab → · Contrast checker → · Palette generator →