#0A4739#0A4739

#0A4739 is a dark, moderate teal. Relative luminance 0.049; OKLCH L 35.7% C 0.064 H 172.9°. Best body text is #FFFFFF at 10.64:1 contrast (WCAG AA passes).

Color values

HEX	#0A4739
RGB	rgb(10, 71, 57)
HSL	hsl(166, 75%, 16%)
HSV	hsv(166, 86%, 28%)
CMYK	cmyk(85.9%, 0%, 19.7%, 72.2%)
CIE-LAB	lab(26.35, -22.51, 3.13)
CIE-LCH	lch(26.35, 22.72, 172.08°)
OKLab	oklab(35.71% -0.0633 0.0079)
OKLCH	oklch(35.71% 0.064 172.9)
XYZ	xyz(3.1165, 4.8660, 4.6451)
Luminance	0.0487 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A4739 #470A18

analogous

#0A471A #0A4739 #0A3647

triadic

#0A4739 #390A47 #47390A

tetradic

#0A4739 #1A0A47 #470A18 #36470A

square

#0A4739 #1A0A47 #470A18 #36470A

split-complementary

#0A4739 #470A36 #471A0A

monochromatic

#041B16 #041B16 #0A4739 #127D64 #19B28F

Accessibility & contrast

On white

10.64

#0A4739 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#0A4739 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A4739

10.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A4739	#FFFFFF	#000000	##FFFFFF
##0A4739	1.00	10.64	1.97	10.64
#FFFFFF	10.64	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#444238

Deuteranopia (green-blind)

#3D3C3A

Tritanopia (blue-blind)

#004843

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #0a4739;
/* rgb */ color: rgb(10, 71, 57);
/* oklch */ color: oklch(35.7% 0.064 172.9);

Tailwind

colors: {
  custom: {
    50: '#567b6f',
    500: '#0a4739',
    950: '#000000',
  },
}

SCSS

$custom: #0a4739;
$custom-light: #567b6f;
$custom-dark: #000000;

JSON

{
  "hex": "#0a4739",
  "rgb": {
    "r": 10,
    "g": 71,
    "b": 57
  },
  "hsl": {
    "h": 166.23,
    "s": 75.309,
    "l": 15.882
  },
  "oklch": {
    "l": 0.35706,
    "c": 0.06383,
    "h": 172.9
  },
  "luminance": 0.04866
}

Semantic roles & 50–950 ramp

primary

#0A4739

secondary

#84293E

accent

#3661F2

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#030907

muted

#787B7A

Preview Lab

Preview with #0A4739

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

Preview Lab → · Contrast checker → · Palette generator →