#0A3438#0A3438

#0A3438 is a dark, muted teal. Relative luminance 0.028; OKLCH L 29.9% C 0.045 H 204.3°. Best body text is #FFFFFF at 13.45:1 contrast (WCAG AA passes).

Color values

HEX	#0A3438
RGB	rgb(10, 52, 56)
HSL	hsl(185, 70%, 13%)
HSV	hsv(185, 82%, 22%)
CMYK	cmyk(82.1%, 7.1%, 0%, 78%)
CIE-LAB	lab(19.25, -12.38, -6.66)
CIE-LCH	lch(19.25, 14.06, 208.28°)
OKLab	oklab(29.91% -0.0409 -0.0185)
OKLCH	oklch(29.91% 0.045 204.3)
XYZ	xyz(2.0667, 2.8058, 4.1733)
Luminance	0.0281 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3438 #380E0A

analogous

#0A3825 #0A3438 #0A1D38

triadic

#0A3438 #380A34 #34380A

tetradic

#0A3438 #250A38 #380E0A #1D380A

square

#0A3438 #250A38 #380E0A #1D380A

split-complementary

#0A3438 #380A1D #38250A

monochromatic

#05181A #05181A #0A3438 #13646C #1D94A0

Accessibility & contrast

On white

13.45

#0A3438 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#0A3438 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3438

13.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3438	#FFFFFF	#000000	##FFFFFF
##0A3438	1.00	13.45	1.56	13.45
#FFFFFF	13.45	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3138

Deuteranopia (green-blind)

#282D38

Tritanopia (blue-blind)

#003735

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #0a3438;
/* rgb */ color: rgb(10, 52, 56);
/* oklch */ color: oklch(29.9% 0.045 204.3);

Tailwind

colors: {
  custom: {
    50: '#526b6e',
    500: '#0a3438',
    950: '#000000',
  },
}

SCSS

$custom: #0a3438;
$custom-light: #526b6e;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3438",
  "rgb": {
    "r": 10,
    "g": 52,
    "b": 56
  },
  "hsl": {
    "h": 185.217,
    "s": 69.697,
    "l": 12.941
  },
  "oklch": {
    "l": 0.29912,
    "c": 0.04485,
    "h": 204.3
  },
  "luminance": 0.02806
}

Semantic roles & 50–950 ramp

primary

#0A3438

secondary

#752F28

accent

#4B3BED

background

#F4F6F6

surface

#E7EBEB

border

#C3C6C6

text

#020607

muted

#787A7A

Preview Lab

Preview with #0A3438

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

Preview Lab → · Contrast checker → · Palette generator →