#0A3437#0A3437

#0A3437 is a dark, muted teal. Relative luminance 0.028; OKLCH L 29.9% C 0.045 H 202.0°. Best body text is #FFFFFF at 13.47:1 contrast (WCAG AA passes).

Color values

HEX	#0A3437
RGB	rgb(10, 52, 55)
HSL	hsl(184, 69%, 13%)
HSV	hsv(184, 82%, 22%)
CMYK	cmyk(81.8%, 5.5%, 0%, 78.4%)
CIE-LAB	lab(19.21, -12.75, -6.03)
CIE-LCH	lch(19.21, 14.11, 205.33°)
OKLab	oklab(29.87% -0.0414 -0.0167)
OKLCH	oklch(29.87% 0.045 202)
XYZ	xyz(2.0425, 2.7961, 4.0457)
Luminance	0.0280 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3437 #370D0A

analogous

#0A3723 #0A3437 #0A1D37

triadic

#0A3437 #370A34 #34370A

tetradic

#0A3437 #230A37 #370D0A #1D370A

square

#0A3437 #230A37 #370D0A #1D370A

split-complementary

#0A3437 #370A1D #37230A

monochromatic

#05181A #05181A #0A3437 #13656B #1D969F

Accessibility & contrast

On white

13.47

#0A3437 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#0A3437 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3437

13.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3437	#FFFFFF	#000000	##FFFFFF
##0A3437	1.00	13.47	1.56	13.47
#FFFFFF	13.47	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3137

Deuteranopia (green-blind)

#292D37

Tritanopia (blue-blind)

#003635

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #0a3437;
/* rgb */ color: rgb(10, 52, 55);
/* oklch */ color: oklch(29.9% 0.045 202.0);

Tailwind

colors: {
  custom: {
    50: '#526b6d',
    500: '#0a3437',
    950: '#000000',
  },
}

SCSS

$custom: #0a3437;
$custom-light: #526b6d;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3437",
  "rgb": {
    "r": 10,
    "g": 52,
    "b": 55
  },
  "hsl": {
    "h": 184,
    "s": 69.231,
    "l": 12.745
  },
  "oklch": {
    "l": 0.29866,
    "c": 0.04464,
    "h": 202
  },
  "luminance": 0.02796
}

Semantic roles & 50–950 ramp

primary

#0A3437

secondary

#742D28

accent

#483CEC

background

#F4F6F6

surface

#E7EBEB

border

#C3C6C6

text

#020607

muted

#787A7A

Preview Lab

Preview with #0A3437

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

Preview Lab → · Contrast checker → · Palette generator →