#0A3F47#0A3F47

#0A3F47 is a dark, muted teal. Relative luminance 0.041; OKLCH L 33.9% C 0.054 H 210.2°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#0A3F47
RGB	rgb(10, 63, 71)
HSL	hsl(188, 75%, 16%)
HSV	hsv(188, 86%, 28%)
CMYK	cmyk(85.9%, 11.3%, 0%, 72.2%)
CIE-LAB	lab(23.91, -13.34, -9.69)
CIE-LCH	lch(23.91, 16.49, 215.99°)
OKLab	oklab(33.89% -0.0464 -0.027)
OKLCH	oklch(33.89% 0.054 210.2)
XYZ	xyz(3.0395, 4.0741, 6.5862)
Luminance	0.0407 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A3F47 #47120A

analogous

#0A4730 #0A3F47 #0A2047

triadic

#0A3F47 #470A3F #3F470A

tetradic

#0A3F47 #300A47 #47120A #20470A

square

#0A3F47 #300A47 #47120A #20470A

split-complementary

#0A3F47 #470A20 #47300A

monochromatic

#04181B #04181B #0A3F47 #126F7D #199EB2

Accessibility & contrast

On white

11.57

#0A3F47 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#0A3F47 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A3F47

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A3F47	#FFFFFF	#000000	##FFFFFF
##0A3F47	1.00	11.57	1.81	11.57
#FFFFFF	11.57	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383C47

Deuteranopia (green-blind)

#303647

Tritanopia (blue-blind)

#004341

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #0a3f47;
/* rgb */ color: rgb(10, 63, 71);
/* oklch */ color: oklch(33.9% 0.054 210.2);

Tailwind

colors: {
  custom: {
    50: '#56747a',
    500: '#0a3f47',
    950: '#000000',
  },
}

SCSS

$custom: #0a3f47;
$custom-light: #56747a;
$custom-dark: #000000;

JSON

{
  "hex": "#0a3f47",
  "rgb": {
    "r": 10,
    "g": 63,
    "b": 71
  },
  "hsl": {
    "h": 187.869,
    "s": 75.309,
    "l": 15.882
  },
  "oklch": {
    "l": 0.33888,
    "c": 0.05371,
    "h": 210.2
  },
  "luminance": 0.04074
}

Semantic roles & 50–950 ramp

primary

#0A3F47

secondary

#843529

accent

#4F36F2

background

#F5F7F7

surface

#E9EDED

border

#C5C8C8

text

#030809

muted

#787B7B

Preview Lab

Preview with #0A3F47

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

Preview Lab → · Contrast checker → · Palette generator →