#3A445A#3A445A

#3A445A is a dark, muted blue. Relative luminance 0.058; OKLCH L 38.7% C 0.040 H 265.6°. Best body text is #FFFFFF at 9.75:1 contrast (WCAG AA passes).

Color values

HEX	#3A445A
RGB	rgb(58, 68, 90)
HSL	hsl(221, 22%, 29%)
HSV	hsv(221, 36%, 35%)
CMYK	cmyk(35.6%, 24.4%, 0%, 64.7%)
CIE-LAB	lab(28.83, 1.99, -14.39)
CIE-LCH	lch(28.83, 14.52, 277.87°)
OKLab	oklab(38.71% -0.0031 -0.0397)
OKLCH	oklch(38.71% 0.04 265.6)
XYZ	xyz(5.6570, 5.7717, 10.4869)
Luminance	0.0577 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A445A #5A503A

analogous

#3A545A #3A445A #403A5A

triadic

#3A445A #5A3A44 #445A3A

tetradic

#3A445A #5A3A54 #5A503A #3A5A40

square

#3A445A #5A3A54 #5A503A #3A5A40

split-complementary

#3A445A #5A403A #545A3A

monochromatic

#0C0E13 #222835 #3A445A #52607F #6D7DA1

Accessibility & contrast

On white

9.75

#3A445A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#3A445A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A445A

9.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A445A	#FFFFFF	#000000	##FFFFFF
##3A445A	1.00	9.75	2.15	9.75
#FFFFFF	9.75	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D465B

Deuteranopia (green-blind)

#3A4359

Tritanopia (blue-blind)

#31484B

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3a445a;
/* rgb */ color: rgb(58, 68, 90);
/* oklch */ color: oklch(38.7% 0.040 265.6);

Tailwind

colors: {
  custom: {
    50: '#717788',
    500: '#3a445a',
    950: '#000000',
  },
}

SCSS

$custom: #3a445a;
$custom-light: #717788;
$custom-dark: #000000;

JSON

{
  "hex": "#3a445a",
  "rgb": {
    "r": 58,
    "g": 68,
    "b": 90
  },
  "hsl": {
    "h": 221.25,
    "s": 21.622,
    "l": 29.02
  },
  "oklch": {
    "l": 0.38708,
    "c": 0.03987,
    "h": 265.6
  },
  "luminance": 0.05772
}

Semantic roles & 50–950 ramp

primary

#3A445A

secondary

#8A7F66

accent

#A46ABE

background

#F6F7F8

surface

#ECEDF0

border

#C7C8CB

text

#08080B

muted

#7B7B7C

Preview Lab

Preview with #3A445A

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

Preview Lab → · Contrast checker → · Palette generator →