#12583A#12583A

#12583A is a dark, moderate teal. Relative luminance 0.074; OKLCH L 41.0% C 0.084 H 159.9°. Best body text is #FFFFFF at 8.46:1 contrast (WCAG AA passes).

Color values

HEX	#12583A
RGB	rgb(18, 88, 58)
HSL	hsl(154, 66%, 21%)
HSV	hsv(154, 80%, 35%)
CMYK	cmyk(79.5%, 0%, 34.1%, 65.5%)
CIE-LAB	lab(32.73, -29.13, 11.47)
CIE-LCH	lch(32.73, 31.30, 158.50°)
OKLab	oklab(41% -0.0792 0.0291)
OKLCH	oklch(41% 0.084 159.9)
XYZ	xyz(4.5024, 7.4130, 5.1957)
Luminance	0.0741 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12583A #581230

analogous

#125817 #12583A #125358

triadic

#12583A #3A1258 #583A12

tetradic

#12583A #171258 #581230 #535812

square

#12583A #171258 #581230 #535812

split-complementary

#12583A #581253 #581712

monochromatic

#051911 #082519 #12583A #1C8B5B #27BE7D

Accessibility & contrast

On white

8.46

#12583A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#12583A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12583A

8.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12583A	#FFFFFF	#000000	##FFFFFF
##12583A	1.00	8.46	2.48	8.46
#FFFFFF	8.46	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575138

Deuteranopia (green-blind)

#4E4A3C

Tritanopia (blue-blind)

#005850

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #12583a;
/* rgb */ color: rgb(18, 88, 58);
/* oklch */ color: oklch(41.0% 0.084 159.9);

Tailwind

colors: {
  custom: {
    50: '#5c8870',
    500: '#12583a',
    950: '#000000',
  },
}

SCSS

$custom: #12583a;
$custom-light: #5c8870;
$custom-dark: #000000;

JSON

{
  "hex": "#12583a",
  "rgb": {
    "r": 18,
    "g": 88,
    "b": 58
  },
  "hsl": {
    "h": 154.286,
    "s": 66.038,
    "l": 20.784
  },
  "oklch": {
    "l": 0.41,
    "c": 0.08438,
    "h": 159.9
  },
  "luminance": 0.07414
}

Semantic roles & 50–950 ramp

primary

#12583A

secondary

#91355C

accent

#3F88E9

background

#F5F8F6

surface

#E9F0EC

border

#C5CBC7

text

#050B07

muted

#797C7A

Preview Lab

Preview with #12583A

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

Preview Lab → · Contrast checker → · Palette generator →