#0A4143#0A4143

#0A4143 is a dark, muted teal. Relative luminance 0.043; OKLCH L 34.3% C 0.054 H 198.7°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#0A4143
RGB	rgb(10, 65, 67)
HSL	hsl(182, 74%, 15%)
HSV	hsv(182, 85%, 26%)
CMYK	cmyk(85.1%, 3%, 0%, 73.7%)
CIE-LAB	lab(24.48, -15.98, -6.18)
CIE-LCH	lch(24.48, 17.14, 201.15°)
OKLab	oklab(34.29% -0.0508 -0.0172)
OKLCH	oklch(34.29% 0.054 198.7)
XYZ	xyz(3.0281, 4.2500, 5.9698)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A4143 #430C0A

analogous

#0A4328 #0A4143 #0A2543

triadic

#0A4143 #430A41 #41430A

tetradic

#0A4143 #280A43 #430C0A #25430A

square

#0A4143 #280A43 #430C0A #25430A

split-complementary

#0A4143 #430A25 #43280A

monochromatic

#041A1B #041A1B #0A4143 #127578 #1AA8AE

Accessibility & contrast

On white

11.35

#0A4143 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#0A4143 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A4143

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A4143	#FFFFFF	#000000	##FFFFFF
##0A4143	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3E43

Deuteranopia (green-blind)

#343843

Tritanopia (blue-blind)

#004441

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #0a4143;
/* rgb */ color: rgb(10, 65, 67);
/* oklch */ color: oklch(34.3% 0.054 198.7);

Tailwind

colors: {
  custom: {
    50: '#557677',
    500: '#0a4143',
    950: '#000000',
  },
}

SCSS

$custom: #0a4143;
$custom-light: #557677;
$custom-dark: #000000;

JSON

{
  "hex": "#0a4143",
  "rgb": {
    "r": 10,
    "g": 65,
    "b": 67
  },
  "hsl": {
    "h": 182.105,
    "s": 74.026,
    "l": 15.098
  },
  "oklch": {
    "l": 0.34294,
    "c": 0.05363,
    "h": 198.7
  },
  "luminance": 0.0425
}

Semantic roles & 50–950 ramp

primary

#0A4143

secondary

#802C29

accent

#3E37F1

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#030808

muted

#787B7B

Preview Lab

Preview with #0A4143

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

Preview Lab → · Contrast checker → · Palette generator →