#3A4155#3A4155

#3A4155 is a dark, muted blue. Relative luminance 0.053; OKLCH L 37.7% C 0.036 H 269.6°. Best body text is #FFFFFF at 10.16:1 contrast (WCAG AA passes).

Color values

HEX	#3A4155
RGB	rgb(58, 65, 85)
HSL	hsl(224, 19%, 28%)
HSV	hsv(224, 32%, 33%)
CMYK	cmyk(31.8%, 23.5%, 0%, 66.7%)
CIE-LAB	lab(27.67, 2.48, -12.92)
CIE-LCH	lch(27.67, 13.16, 280.86°)
OKLab	oklab(37.73% -0.0002 -0.0356)
OKLCH	oklch(37.73% 0.036 269.6)
XYZ	xyz(5.2745, 5.3358, 9.3446)
Luminance	0.0534 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A4155 #554E3A

analogous

#3A4E55 #3A4155 #403A55

triadic

#3A4155 #553A41 #41553A

tetradic

#3A4155 #553A4E #554E3A #3A5540

square

#3A4155 #553A4E #554E3A #3A5540

split-complementary

#3A4155 #55403A #4E553A

monochromatic

#0C0E12 #212531 #3A4155 #535D79 #6E7A9C

Accessibility & contrast

On white

10.16

#3A4155 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.07

#3A4155 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A4155

10.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A4155	#FFFFFF	#000000	##FFFFFF
##3A4155	1.00	10.16	2.07	10.16
#FFFFFF	10.16	1.00	21.00	1.00
#000000	2.07	21.00	1.00	21.00
##FFFFFF	10.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B4356

Deuteranopia (green-blind)

#394055

Tritanopia (blue-blind)

#334548

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #3a4155;
/* rgb */ color: rgb(58, 65, 85);
/* oklch */ color: oklch(37.7% 0.036 269.6);

Tailwind

colors: {
  custom: {
    50: '#717585',
    500: '#3a4155',
    950: '#000000',
  },
}

SCSS

$custom: #3a4155;
$custom-light: #717585;
$custom-dark: #000000;

JSON

{
  "hex": "#3a4155",
  "rgb": {
    "r": 58,
    "g": 65,
    "b": 85
  },
  "hsl": {
    "h": 224.444,
    "s": 18.881,
    "l": 28.039
  },
  "oklch": {
    "l": 0.37732,
    "c": 0.0356,
    "h": 269.6
  },
  "luminance": 0.05336
}

Semantic roles & 50–950 ramp

primary

#3A4155

secondary

#857D66

accent

#A76CBC

background

#F6F7F8

surface

#ECEDEF

border

#C7C8CA

text

#07080B

muted

#7A7B7C

Preview Lab

Preview with #3A4155

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

Preview Lab → · Contrast checker → · Palette generator →