#12383D#12383D

#12383D is a dark, muted teal. Relative luminance 0.033; OKLCH L 31.6% C 0.043 H 207.2°. Best body text is #FFFFFF at 12.66:1 contrast (WCAG AA passes).

Color values

HEX	#12383D
RGB	rgb(18, 56, 61)
HSL	hsl(187, 54%, 15%)
HSV	hsv(187, 70%, 24%)
CMYK	cmyk(70.5%, 8.2%, 0%, 76.1%)
CIE-LAB	lab(21.18, -11.46, -7.12)
CIE-LCH	lch(21.18, 13.49, 211.83°)
OKLab	oklab(31.61% -0.0384 -0.0197)
OKLCH	oklch(31.61% 0.043 207.2)
XYZ	xyz(2.5056, 3.2936, 4.9177)
Luminance	0.0329 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12383D #3D1712

analogous

#123D2C #12383D #12223D

triadic

#12383D #3D1238 #383D12

tetradic

#12383D #2C123D #3D1712 #223D12

square

#12383D #2C123D #3D1712 #223D12

split-complementary

#12383D #3D1222 #3D2C12

monochromatic

#071618 #071618 #12383D #20636C #2E8F9C

Accessibility & contrast

On white

12.66

#12383D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#12383D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12383D

12.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12383D	#FFFFFF	#000000	##FFFFFF
##12383D	1.00	12.66	1.66	12.66
#FFFFFF	12.66	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#33363D

Deuteranopia (green-blind)

#2C313D

Tritanopia (blue-blind)

#003B39

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #12383d;
/* rgb */ color: rgb(18, 56, 61);
/* oklch */ color: oklch(31.6% 0.043 207.2);

Tailwind

colors: {
  custom: {
    50: '#566e72',
    500: '#12383d',
    950: '#000000',
  },
}

SCSS

$custom: #12383d;
$custom-light: #566e72;
$custom-dark: #000000;

JSON

{
  "hex": "#12383d",
  "rgb": {
    "r": 18,
    "g": 56,
    "b": 61
  },
  "hsl": {
    "h": 186.977,
    "s": 54.43,
    "l": 15.49
  },
  "oklch": {
    "l": 0.31613,
    "c": 0.04319,
    "h": 207.2
  },
  "luminance": 0.03294
}

Semantic roles & 50–950 ramp

primary

#12383D

secondary

#763C35

accent

#5B4ADE

background

#F5F6F6

surface

#E9ECEC

border

#C5C7C7

text

#030708

muted

#787A7B

Preview Lab

Preview with #12383D

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

Preview Lab → · Contrast checker → · Palette generator →