#12383A#12383A

#12383A is a dark, muted teal. Relative luminance 0.033; OKLCH L 31.5% C 0.043 H 200.0°. Best body text is #FFFFFF at 12.71:1 contrast (WCAG AA passes).

Color values

HEX	#12383A
RGB	rgb(18, 56, 58)
HSL	hsl(183, 53%, 15%)
HSV	hsv(183, 69%, 23%)
CMYK	cmyk(69%, 3.4%, 0%, 77.3%)
CIE-LAB	lab(21.06, -12.53, -5.26)
CIE-LCH	lch(21.06, 13.59, 202.79°)
OKLab	oklab(31.48% -0.04 -0.0146)
OKLCH	oklch(31.48% 0.043 200)
XYZ	xyz(2.4270, 3.2622, 4.5039)
Luminance	0.0326 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12383A #3A1412

analogous

#123A28 #12383A #12243A

triadic

#12383A #3A1238 #383A12

tetradic

#12383A #28123A #3A1412 #243A12

square

#12383A #28123A #3A1412 #243A12

split-complementary

#12383A #3A1224 #3A2812

monochromatic

#071717 #071717 #12383A #206569 #2F9297

Accessibility & contrast

On white

12.71

#12383A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#12383A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12383A

12.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12383A	#FFFFFF	#000000	##FFFFFF
##12383A	1.00	12.71	1.65	12.71
#FFFFFF	12.71	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34353A

Deuteranopia (green-blind)

#2D313A

Tritanopia (blue-blind)

#003A39

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #12383a;
/* rgb */ color: rgb(18, 56, 58);
/* oklch */ color: oklch(31.5% 0.043 200.0);

Tailwind

colors: {
  custom: {
    50: '#566e70',
    500: '#12383a',
    950: '#000000',
  },
}

SCSS

$custom: #12383a;
$custom-light: #566e70;
$custom-dark: #000000;

JSON

{
  "hex": "#12383a",
  "rgb": {
    "r": 18,
    "g": 56,
    "b": 58
  },
  "hsl": {
    "h": 183,
    "s": 52.632,
    "l": 14.902
  },
  "oklch": {
    "l": 0.31478,
    "c": 0.04253,
    "h": 200
  },
  "luminance": 0.03262
}

Semantic roles & 50–950 ramp

primary

#12383A

secondary

#733835

accent

#534CDC

background

#F5F6F6

surface

#E9ECEC

border

#C5C7C7

text

#030707

muted

#787A7A

Preview Lab

Preview with #12383A

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

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