#0A3F41#0A3F41

#0A3F41 is a dark, muted teal. Relative luminance 0.040; OKLCH L 33.6% C 0.052 H 198.8°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#0A3F41
RGB	rgb(10, 63, 65)
HSL	hsl(182, 73%, 15%)
HSV	hsv(182, 85%, 25%)
CMYK	cmyk(84.6%, 3.1%, 0%, 74.5%)
CIE-LAB	lab(23.67, -15.56, -6.07)
CIE-LCH	lch(23.67, 16.70, 201.31°)
OKLab	oklab(33.61% -0.0495 -0.0169)
OKLCH	oklch(33.61% 0.052 198.8)
XYZ	xyz(2.8564, 4.0008, 5.6217)
Luminance	0.0400 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3F41 #410C0A

analogous

#0A4128 #0A3F41 #0A2441

triadic

#0A3F41 #410A3F #3F410A

tetradic

#0A3F41 #280A41 #410C0A #24410A

square

#0A3F41 #280A41 #410C0A #24410A

split-complementary

#0A3F41 #410A24 #41280A

monochromatic

#041A1B #041A1B #0A3F41 #127276 #1AA6AB

Accessibility & contrast

On white

11.67

#0A3F41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#0A3F41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3F41

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3F41	#FFFFFF	#000000	##FFFFFF
##0A3F41	1.00	11.67	1.80	11.67
#FFFFFF	11.67	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3C41

Deuteranopia (green-blind)

#323641

Tritanopia (blue-blind)

#00423F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #0a3f41;
/* rgb */ color: rgb(10, 63, 65);
/* oklch */ color: oklch(33.6% 0.052 198.8);

Tailwind

colors: {
  custom: {
    50: '#557475',
    500: '#0a3f41',
    950: '#000000',
  },
}

SCSS

$custom: #0a3f41;
$custom-light: #557475;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3f41",
  "rgb": {
    "r": 10,
    "g": 63,
    "b": 65
  },
  "hsl": {
    "h": 182.182,
    "s": 73.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.33614,
    "c": 0.05228,
    "h": 198.8
  },
  "luminance": 0.04001
}

Semantic roles & 50–950 ramp

primary

#0A3F41

secondary

#7E2C29

accent

#3E38F0

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#030808

muted

#787B7B

Preview Lab

Preview with #0A3F41

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

Preview Lab → · Contrast checker → · Palette generator →