#3A4058#3A4058

#3A4058 is a dark, muted blue. Relative luminance 0.053; OKLCH L 37.6% C 0.042 H 273.4°. Best body text is #FFFFFF at 10.22:1 contrast (WCAG AA passes).

Color values

HEX	#3A4058
RGB	rgb(58, 64, 88)
HSL	hsl(228, 21%, 29%)
HSV	hsv(228, 34%, 35%)
CMYK	cmyk(34.1%, 27.3%, 0%, 65.5%)
CIE-LAB	lab(27.49, 4.03, -15.15)
CIE-LCH	lch(27.49, 15.67, 284.88°)
OKLab	oklab(37.64% 0.0025 -0.0419)
OKLCH	oklch(37.64% 0.042 273.4)
XYZ	xyz(5.3393, 5.2707, 9.9667)
Luminance	0.0527 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A4058 #58523A

analogous

#3A4F58 #3A4058 #433A58

triadic

#3A4058 #583A40 #40583A

tetradic

#3A4058 #583A4F #58523A #3A5843

square

#3A4058 #583A4F #58523A #3A5843

split-complementary

#3A4058 #58433A #4F583A

monochromatic

#0C0D12 #222533 #3A4058 #525B7D #6D779F

Accessibility & contrast

On white

10.22

#3A4058 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.05

#3A4058 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A4058

10.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A4058	#FFFFFF	#000000	##FFFFFF
##3A4058	1.00	10.22	2.05	10.22
#FFFFFF	10.22	1.00	21.00	1.00
#000000	2.05	21.00	1.00	21.00
##FFFFFF	10.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#394259

Deuteranopia (green-blind)

#364057

Tritanopia (blue-blind)

#324548

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3a4058;
/* rgb */ color: rgb(58, 64, 88);
/* oklch */ color: oklch(37.6% 0.042 273.4);

Tailwind

colors: {
  custom: {
    50: '#717487',
    500: '#3a4058',
    950: '#000000',
  },
}

SCSS

$custom: #3a4058;
$custom-light: #717487;
$custom-dark: #000000;

JSON

{
  "hex": "#3a4058",
  "rgb": {
    "r": 58,
    "g": 64,
    "b": 88
  },
  "hsl": {
    "h": 228,
    "s": 20.548,
    "l": 28.627
  },
  "oklch": {
    "l": 0.37637,
    "c": 0.04198,
    "h": 273.4
  },
  "luminance": 0.05271
}

Semantic roles & 50–950 ramp

primary

#3A4058

secondary

#888166

accent

#AD6BBD

background

#F6F7F8

surface

#ECEDEF

border

#C7C8CA

text

#07080B

muted

#7A7B7C

Preview Lab

Preview with #3A4058

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

Preview Lab → · Contrast checker → · Palette generator →