#0A3A42#0A3A42

#0A3A42 is a dark, muted teal. Relative luminance 0.035; OKLCH L 32.2% C 0.050 H 211.4°. Best body text is #FFFFFF at 12.38:1 contrast (WCAG AA passes).

Color values

HEX	#0A3A42
RGB	rgb(10, 58, 66)
HSL	hsl(189, 74%, 15%)
HSV	hsv(189, 85%, 26%)
CMYK	cmyk(84.8%, 12.1%, 0%, 74.1%)
CIE-LAB	lab(21.89, -12.24, -9.44)
CIE-LCH	lch(21.89, 15.46, 217.66°)
OKLab	oklab(32.18% -0.043 -0.0263)
OKLCH	oklch(32.18% 0.05 211.4)
XYZ	xyz(2.6212, 3.4837, 5.6875)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3A42 #42120A

analogous

#0A422E #0A3A42 #0A1E42

triadic

#0A3A42 #420A3A #3A420A

tetradic

#0A3A42 #2E0A42 #42120A #1E420A

square

#0A3A42 #2E0A42 #42120A #1E420A

split-complementary

#0A3A42 #420A1E #422E0A

monochromatic

#04171B #04171B #0A3A42 #126977 #1A97AC

Accessibility & contrast

On white

12.38

#0A3A42 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#0A3A42 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3A42

12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3A42	#FFFFFF	#000000	##FFFFFF
##0A3A42	1.00	12.38	1.70	12.38
#FFFFFF	12.38	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343842

Deuteranopia (green-blind)

#2C3242

Tritanopia (blue-blind)

#003D3C

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #0a3a42;
/* rgb */ color: rgb(10, 58, 66);
/* oklch */ color: oklch(32.2% 0.050 211.4);

Tailwind

colors: {
  custom: {
    50: '#547076',
    500: '#0a3a42',
    950: '#000000',
  },
}

SCSS

$custom: #0a3a42;
$custom-light: #547076;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3a42",
  "rgb": {
    "r": 10,
    "g": 58,
    "b": 66
  },
  "hsl": {
    "h": 188.571,
    "s": 73.684,
    "l": 14.902
  },
  "oklch": {
    "l": 0.3218,
    "c": 0.05045,
    "h": 211.4
  },
  "luminance": 0.03484
}

Semantic roles & 50–950 ramp

primary

#0A3A42

secondary

#7F3529

accent

#5237F0

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030708

muted

#787A7B

Preview Lab

Preview with #0A3A42

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

Preview Lab → · Contrast checker → · Palette generator →