#0A3E43#0A3E43

#0A3E43 is a dark, muted teal. Relative luminance 0.039; OKLCH L 33.4% C 0.052 H 204.7°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#0A3E43
RGB	rgb(10, 62, 67)
HSL	hsl(185, 74%, 15%)
HSV	hsv(185, 85%, 26%)
CMYK	cmyk(85.1%, 7.5%, 0%, 73.7%)
CIE-LAB	lab(23.39, -14.25, -7.83)
CIE-LCH	lch(23.39, 16.26, 208.80°)
OKLab	oklab(33.41% -0.0473 -0.0218)
OKLCH	oklch(33.41% 0.052 204.7)
XYZ	xyz(2.8605, 3.9147, 5.9140)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3E43 #430F0A

analogous

#0A432B #0A3E43 #0A2243

triadic

#0A3E43 #430A3E #3E430A

tetradic

#0A3E43 #2B0A43 #430F0A #22430A

square

#0A3E43 #2B0A43 #430F0A #22430A

split-complementary

#0A3E43 #430A22 #432B0A

monochromatic

#04191B #04191B #0A3E43 #126F78 #1AA1AE

Accessibility & contrast

On white

11.78

#0A3E43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#0A3E43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3E43

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3E43	#FFFFFF	#000000	##FFFFFF
##0A3E43	1.00	11.78	1.78	11.78
#FFFFFF	11.78	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383B43

Deuteranopia (green-blind)

#303543

Tritanopia (blue-blind)

#00413F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #0a3e43;
/* rgb */ color: rgb(10, 62, 67);
/* oklch */ color: oklch(33.4% 0.052 204.7);

Tailwind

colors: {
  custom: {
    50: '#557377',
    500: '#0a3e43',
    950: '#000000',
  },
}

SCSS

$custom: #0a3e43;
$custom-light: #557377;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3e43",
  "rgb": {
    "r": 10,
    "g": 62,
    "b": 67
  },
  "hsl": {
    "h": 185.263,
    "s": 74.026,
    "l": 15.098
  },
  "oklch": {
    "l": 0.33407,
    "c": 0.05205,
    "h": 204.7
  },
  "luminance": 0.03915
}

Semantic roles & 50–950 ramp

primary

#0A3E43

secondary

#803029

accent

#4737F1

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#030808

muted

#787B7B

Preview Lab

Preview with #0A3E43

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

Preview Lab → · Contrast checker → · Palette generator →