#3A4258#3A4258

#3A4258 is a dark, muted blue. Relative luminance 0.055; OKLCH L 38.1% C 0.039 H 269.0°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#3A4258
RGB	rgb(58, 66, 88)
HSL	hsl(224, 21%, 29%)
HSV	hsv(224, 34%, 35%)
CMYK	cmyk(34.1%, 25%, 0%, 65.5%)
CIE-LAB	lab(28.12, 2.70, -14.19)
CIE-LCH	lch(28.12, 14.44, 280.79°)
OKLab	oklab(38.12% -0.0007 -0.0392)
OKLCH	oklch(38.12% 0.039 269)
XYZ	xyz(5.4541, 5.5004, 10.0049)
Luminance	0.0550 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A4258 #58503A

analogous

#3A5158 #3A4258 #413A58

triadic

#3A4258 #583A42 #42583A

tetradic

#3A4258 #583A51 #58503A #3A5841

square

#3A4258 #583A51 #58503A #3A5841

split-complementary

#3A4258 #58413A #51583A

monochromatic

#0C0E12 #222633 #3A4258 #525E7D #6D7B9F

Accessibility & contrast

On white

10.00

#3A4258 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#3A4258 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A4258

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A4258	#FFFFFF	#000000	##FFFFFF
##3A4258	1.00	10.00	2.10	10.00
#FFFFFF	10.00	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B4459

Deuteranopia (green-blind)

#384157

Tritanopia (blue-blind)

#324649

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3a4258;
/* rgb */ color: rgb(58, 66, 88);
/* oklch */ color: oklch(38.1% 0.039 269.0);

Tailwind

colors: {
  custom: {
    50: '#717687',
    500: '#3a4258',
    950: '#000000',
  },
}

SCSS

$custom: #3a4258;
$custom-light: #717687;
$custom-dark: #000000;

JSON

{
  "hex": "#3a4258",
  "rgb": {
    "r": 58,
    "g": 66,
    "b": 88
  },
  "hsl": {
    "h": 224,
    "s": 20.548,
    "l": 28.627
  },
  "oklch": {
    "l": 0.38122,
    "c": 0.0392,
    "h": 269
  },
  "luminance": 0.05501
}

Semantic roles & 50–950 ramp

primary

#3A4258

secondary

#887F66

accent

#A76BBD

background

#F6F7F8

surface

#ECEDEF

border

#C7C8CA

text

#07080B

muted

#7A7B7C

Preview Lab

Preview with #3A4258

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

Preview Lab → · Contrast checker → · Palette generator →