#12583C#12583C

#12583C is a dark, moderate teal. Relative luminance 0.074; OKLCH L 41.1% C 0.082 H 161.5°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#12583C
RGB	rgb(18, 88, 60)
HSL	hsl(156, 66%, 21%)
HSV	hsv(156, 80%, 35%)
CMYK	cmyk(79.5%, 0%, 31.8%, 65.5%)
CIE-LAB	lab(32.77, -28.63, 10.30)
CIE-LCH	lch(32.77, 30.43, 160.21°)
OKLab	oklab(41.05% -0.0781 0.0262)
OKLCH	oklch(41.05% 0.082 161.5)
XYZ	xyz(4.5543, 7.4338, 5.4689)
Luminance	0.0743 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12583C #58122E

analogous

#125819 #12583C #125158

triadic

#12583C #3C1258 #583C12

tetradic

#12583C #191258 #58122E #515812

square

#12583C #191258 #58122E #515812

split-complementary

#12583C #581251 #581912

monochromatic

#051911 #082519 #12583C #1C8B5F #27BE81

Accessibility & contrast

On white

8.44

#12583C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#12583C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12583C

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12583C	#FFFFFF	#000000	##FFFFFF
##12583C	1.00	8.44	2.49	8.44
#FFFFFF	8.44	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#57513A

Deuteranopia (green-blind)

#4E4B3E

Tritanopia (blue-blind)

#005850

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #12583c;
/* rgb */ color: rgb(18, 88, 60);
/* oklch */ color: oklch(41.1% 0.082 161.5);

Tailwind

colors: {
  custom: {
    50: '#5c8871',
    500: '#12583c',
    950: '#000000',
  },
}

SCSS

$custom: #12583c;
$custom-light: #5c8871;
$custom-dark: #000000;

JSON

{
  "hex": "#12583c",
  "rgb": {
    "r": 18,
    "g": 88,
    "b": 60
  },
  "hsl": {
    "h": 156,
    "s": 66.038,
    "l": 20.784
  },
  "oklch": {
    "l": 0.41052,
    "c": 0.0824,
    "h": 161.5
  },
  "luminance": 0.07434
}

Semantic roles & 50–950 ramp

primary

#12583C

secondary

#91355A

accent

#3F83E9

background

#F5F8F6

surface

#E9F0EC

border

#C5CBC7

text

#050B07

muted

#797C7A

Preview Lab

Preview with #12583C

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

Preview Lab → · Contrast checker → · Palette generator →