#12353A#12353A

#12353A is a dark, muted teal. Relative luminance 0.030; OKLCH L 30.6% C 0.041 H 208.0°. Best body text is #FFFFFF at 13.16:1 contrast (WCAG AA passes).

Color values

HEX	#12353A
RGB	rgb(18, 53, 58)
HSL	hsl(188, 53%, 15%)
HSV	hsv(188, 69%, 23%)
CMYK	cmyk(69%, 8.6%, 0%, 77.3%)
CIE-LAB	lab(19.96, -10.69, -6.92)
CIE-LCH	lch(19.96, 12.73, 212.92°)
OKLab	oklab(30.59% -0.036 -0.0192)
OKLCH	oklch(30.59% 0.041 208)
XYZ	xyz(2.2860, 2.9801, 4.4569)
Luminance	0.0298 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12353A #3A1712

analogous

#123A2B #12353A #12213A

triadic

#12353A #3A1235 #353A12

tetradic

#12353A #2B123A #3A1712 #213A12

square

#12353A #2B123A #3A1712 #213A12

split-complementary

#12353A #3A1221 #3A2B12

monochromatic

#071517 #071517 #12353A #206069 #2F8A97

Accessibility & contrast

On white

13.16

#12353A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#12353A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12353A

13.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12353A	#FFFFFF	#000000	##FFFFFF
##12353A	1.00	13.16	1.60	13.16
#FFFFFF	13.16	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#30333A

Deuteranopia (green-blind)

#2A2E3A

Tritanopia (blue-blind)

#003836

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #12353a;
/* rgb */ color: rgb(18, 53, 58);
/* oklch */ color: oklch(30.6% 0.041 208.0);

Tailwind

colors: {
  custom: {
    50: '#556c70',
    500: '#12353a',
    950: '#000000',
  },
}

SCSS

$custom: #12353a;
$custom-light: #556c70;
$custom-dark: #000000;

JSON

{
  "hex": "#12353a",
  "rgb": {
    "r": 18,
    "g": 53,
    "b": 58
  },
  "hsl": {
    "h": 187.5,
    "s": 52.632,
    "l": 14.902
  },
  "oklch": {
    "l": 0.30591,
    "c": 0.04079,
    "h": 208
  },
  "luminance": 0.0298
}

Semantic roles & 50–950 ramp

primary

#12353A

secondary

#733D35

accent

#5E4CDC

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030707

muted

#787A7A

Preview Lab

Preview with #12353A

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

Preview Lab → · Contrast checker → · Palette generator →