#12585B#12585B

#12585B is a dark, moderate teal. Relative luminance 0.079; OKLCH L 42.1% C 0.065 H 199.3°. Best body text is #FFFFFF at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#12585B
RGB	rgb(18, 88, 91)
HSL	hsl(182, 67%, 21%)
HSV	hsv(182, 80%, 36%)
CMYK	cmyk(80.2%, 3.3%, 0%, 64.3%)
CIE-LAB	lab(33.70, -19.34, -7.79)
CIE-LCH	lch(33.70, 20.85, 201.96°)
OKLab	oklab(42.11% -0.0617 -0.0216)
OKLCH	oklch(42.11% 0.065 199.3)
XYZ	xyz(5.6267, 7.8627, 11.1166)
Luminance	0.0786 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12585B #5B1512

analogous

#125B3A #12585B #12345B

triadic

#12585B #5B1258 #585B12

tetradic

#12585B #3A125B #5B1512 #345B12

square

#12585B #3A125B #5B1512 #345B12

split-complementary

#12585B #5B1234 #5B3A12

monochromatic

#05191A #082728 #12585B #1C898E #26BBC1

Accessibility & contrast

On white

8.16

#12585B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#12585B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12585B

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12585B	#FFFFFF	#000000	##FFFFFF
##12585B	1.00	8.16	2.57	8.16
#FFFFFF	8.16	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51545B

Deuteranopia (green-blind)

#474C5B

Tritanopia (blue-blind)

#005B59

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #12585b;
/* rgb */ color: rgb(18, 88, 91);
/* oklch */ color: oklch(42.1% 0.065 199.3);

Tailwind

colors: {
  custom: {
    50: '#5e8789',
    500: '#12585b',
    950: '#000000',
  },
}

SCSS

$custom: #12585b;
$custom-light: #5e8789;
$custom-dark: #000000;

JSON

{
  "hex": "#12585b",
  "rgb": {
    "r": 18,
    "g": 88,
    "b": 91
  },
  "hsl": {
    "h": 182.466,
    "s": 66.972,
    "l": 21.373
  },
  "oklch": {
    "l": 0.42109,
    "c": 0.06541,
    "h": 199.3
  },
  "luminance": 0.07863
}

Semantic roles & 50–950 ramp

primary

#12585B

secondary

#933935

accent

#453EEA

background

#F5F8F8

surface

#EAEFF0

border

#C6CACB

text

#050B0B

muted

#797C7C

Preview Lab

Preview with #12585B

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

Preview Lab → · Contrast checker → · Palette generator →