#12573B#12573B

#12573B is a dark, moderate teal. Relative luminance 0.073; OKLCH L 40.7% C 0.082 H 161.2°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#12573B
RGB	rgb(18, 87, 59)
HSL	hsl(156, 66%, 21%)
HSV	hsv(156, 79%, 34%)
CMYK	cmyk(79.3%, 0%, 32.2%, 65.9%)
CIE-LAB	lab(32.39, -28.42, 10.39)
CIE-LCH	lch(32.39, 30.26, 159.92°)
OKLab	oklab(40.73% -0.0775 0.0264)
OKLCH	oklch(40.73% 0.082 161.2)
XYZ	xyz(4.4466, 7.2602, 5.3038)
Luminance	0.0726 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12573B #57122E

analogous

#125718 #12573B #125057

triadic

#12573B #3B1257 #573B12

tetradic

#12573B #181257 #57122E #505712

square

#12573B #181257 #57122E #505712

split-complementary

#12573B #571250 #571812

monochromatic

#051911 #082419 #12573B #1C8A5D #27BC80

Accessibility & contrast

On white

8.56

#12573B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#12573B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12573B

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12573B	#FFFFFF	#000000	##FFFFFF
##12573B	1.00	8.56	2.45	8.56
#FFFFFF	8.56	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#565039

Deuteranopia (green-blind)

#4D4A3D

Tritanopia (blue-blind)

#005750

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #12573b;
/* rgb */ color: rgb(18, 87, 59);
/* oklch */ color: oklch(40.7% 0.082 161.2);

Tailwind

colors: {
  custom: {
    50: '#5c8771',
    500: '#12573b',
    950: '#000000',
  },
}

SCSS

$custom: #12573b;
$custom-light: #5c8771;
$custom-dark: #000000;

JSON

{
  "hex": "#12573b",
  "rgb": {
    "r": 18,
    "g": 87,
    "b": 59
  },
  "hsl": {
    "h": 155.652,
    "s": 65.714,
    "l": 20.588
  },
  "oklch": {
    "l": 0.4073,
    "c": 0.0819,
    "h": 161.2
  },
  "luminance": 0.07261
}

Semantic roles & 50–950 ramp

primary

#12573B

secondary

#90355A

accent

#3F84E9

background

#F5F8F6

surface

#E9EFEC

border

#C5CAC7

text

#040B07

muted

#797C7A

Preview Lab

Preview with #12573B

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

Preview Lab → · Contrast checker → · Palette generator →