#3A4E57#3A4E57

#3A4E57 is a dark, muted cyan. Relative luminance 0.070; OKLCH L 41.1% C 0.029 H 227.3°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#3A4E57
RGB	rgb(58, 78, 87)
HSL	hsl(199, 20%, 28%)
HSV	hsv(199, 33%, 34%)
CMYK	cmyk(33.3%, 10.3%, 0%, 65.9%)
CIE-LAB	lab(31.89, -5.26, -7.81)
CIE-LCH	lch(31.89, 9.42, 236.03°)
OKLab	oklab(41.08% -0.0197 -0.0213)
OKLCH	oklch(41.08% 0.029 227.3)
XYZ	xyz(6.1891, 7.0361, 10.0470)
Luminance	0.0704 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3A4E57 #57433A

analogous

#3A5751 #3A4E57 #3A3F57

triadic

#3A4E57 #573A4E #4E573A

tetradic

#3A4E57 #513A57 #57433A #3F573A

square

#3A4E57 #513A57 #57433A #3F573A

split-complementary

#3A4E57 #573A3F #57513A

monochromatic

#0C1012 #222D32 #3A4E57 #526F7C #6D8F9E

Accessibility & contrast

On white

8.72

#3A4E57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#3A4E57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3A4E57

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3A4E57	#FFFFFF	#000000	##FFFFFF
##3A4E57	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494D57

Deuteranopia (green-blind)

#454A57

Tritanopia (blue-blind)

#315151

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #3a4e57;
/* rgb */ color: rgb(58, 78, 87);
/* oklch */ color: oklch(41.1% 0.029 227.3);

Tailwind

colors: {
  custom: {
    50: '#717f86',
    500: '#3a4e57',
    950: '#000000',
  },
}

SCSS

$custom: #3a4e57;
$custom-light: #717f86;
$custom-dark: #000000;

JSON

{
  "hex": "#3a4e57",
  "rgb": {
    "r": 58,
    "g": 78,
    "b": 87
  },
  "hsl": {
    "h": 198.621,
    "s": 20,
    "l": 28.431
  },
  "oklch": {
    "l": 0.41076,
    "c": 0.02906,
    "h": 227.3
  },
  "luminance": 0.07036
}

Semantic roles & 50–950 ramp

primary

#3A4E57

secondary

#877066

accent

#846BBD

background

#F6F7F8

surface

#ECEEEF

border

#C7C9CA

text

#070A0B

muted

#7A7C7C

Preview Lab

Preview with #3A4E57

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

Preview Lab → · Contrast checker → · Palette generator →