#12585C#12585C

#12585C is a dark, moderate teal. Relative luminance 0.079; OKLCH L 42.1% C 0.065 H 200.8°. Best body text is #FFFFFF at 8.15:1 contrast (WCAG AA passes).

Color values

HEX	#12585C
RGB	rgb(18, 88, 92)
HSL	hsl(183, 67%, 22%)
HSV	hsv(183, 80%, 36%)
CMYK	cmyk(80.4%, 4.3%, 0%, 63.9%)
CIE-LAB	lab(33.73, -18.99, -8.37)
CIE-LCH	lch(33.73, 20.76, 203.78°)
OKLab	oklab(42.15% -0.0612 -0.0232)
OKLCH	oklch(42.15% 0.065 200.8)
XYZ	xyz(5.6701, 7.8801, 11.3453)
Luminance	0.0788 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12585C #5C1612

analogous

#125C3B #12585C #12335C

triadic

#12585C #5C1258 #585C12

tetradic

#12585C #3B125C #5C1612 #335C12

square

#12585C #3B125C #5C1612 #335C12

split-complementary

#12585C #5C1233 #5C3B12

monochromatic

#05181A #082729 #12585C #1C898F #26BAC2

Accessibility & contrast

On white

8.15

#12585C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#12585C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12585C

8.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12585C	#FFFFFF	#000000	##FFFFFF
##12585C	1.00	8.15	2.58	8.15
#FFFFFF	8.15	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#51545C

Deuteranopia (green-blind)

#464C5C

Tritanopia (blue-blind)

#005C59

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #12585c;
/* rgb */ color: rgb(18, 88, 92);
/* oklch */ color: oklch(42.1% 0.065 200.8);

Tailwind

colors: {
  custom: {
    50: '#5f878a',
    500: '#12585c',
    950: '#000000',
  },
}

SCSS

$custom: #12585c;
$custom-light: #5f878a;
$custom-dark: #000000;

JSON

{
  "hex": "#12585c",
  "rgb": {
    "r": 18,
    "g": 88,
    "b": 92
  },
  "hsl": {
    "h": 183.243,
    "s": 67.273,
    "l": 21.569
  },
  "oklch": {
    "l": 0.4215,
    "c": 0.06549,
    "h": 200.8
  },
  "luminance": 0.07881
}

Semantic roles & 50–950 ramp

primary

#12585C

secondary

#943B35

accent

#473EEA

background

#F5F8F8

surface

#EAEFF0

border

#C6CACB

text

#050B0B

muted

#797C7C

Preview Lab

Preview with #12585C

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

Preview Lab → · Contrast checker → · Palette generator →