#12584B#12584B

#12584B is a dark, moderate teal. Relative luminance 0.076; OKLCH L 41.5% C 0.070 H 177.1°. Best body text is #FFFFFF at 8.32:1 contrast (WCAG AA passes).

Color values

HEX	#12584B
RGB	rgb(18, 88, 75)
HSL	hsl(169, 66%, 21%)
HSV	hsv(169, 80%, 35%)
CMYK	cmyk(79.5%, 0%, 14.8%, 65.5%)
CIE-LAB	lab(33.17, -24.48, 1.49)
CIE-LCH	lch(33.17, 24.53, 176.51°)
OKLab	oklab(41.51% -0.07 0.0036)
OKLCH	oklch(41.51% 0.07 177.1)
XYZ	xyz(5.0085, 7.6154, 7.8612)
Luminance	0.0762 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12584B #58121F

analogous

#125828 #12584B #124258

triadic

#12584B #4B1258 #584B12

tetradic

#12584B #281258 #58121F #425812

square

#12584B #281258 #58121F #425812

split-complementary

#12584B #581242 #582812

monochromatic

#051916 #082520 #12584B #1C8B76 #27BEA2

Accessibility & contrast

On white

8.32

#12584B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.52

#12584B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12584B

8.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12584B	#FFFFFF	#000000	##FFFFFF
##12584B	1.00	8.32	2.52	8.32
#FFFFFF	8.32	1.00	21.00	1.00
#000000	2.52	21.00	1.00	21.00
##FFFFFF	8.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#54524A

Deuteranopia (green-blind)

#4B4B4C

Tritanopia (blue-blind)

#005954

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #12584b;
/* rgb */ color: rgb(18, 88, 75);
/* oklch */ color: oklch(41.5% 0.070 177.1);

Tailwind

colors: {
  custom: {
    50: '#5d877d',
    500: '#12584b',
    950: '#000000',
  },
}

SCSS

$custom: #12584b;
$custom-light: #5d877d;
$custom-dark: #000000;

JSON

{
  "hex": "#12584b",
  "rgb": {
    "r": 18,
    "g": 88,
    "b": 75
  },
  "hsl": {
    "h": 168.857,
    "s": 66.038,
    "l": 20.784
  },
  "oklch": {
    "l": 0.41506,
    "c": 0.07007,
    "h": 177.1
  },
  "luminance": 0.07616
}

Semantic roles & 50–950 ramp

primary

#12584B

secondary

#913546

accent

#3F5EE9

background

#F5F8F7

surface

#E9EFEE

border

#C5CAC9

text

#050B09

muted

#797C7B

Preview Lab

Preview with #12584B

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

Preview Lab → · Contrast checker → · Palette generator →