#12343C#12343C

#12343C is a dark, muted cyan. Relative luminance 0.029; OKLCH L 30.4% C 0.041 H 215.7°. Best body text is #FFFFFF at 13.27:1 contrast (WCAG AA passes).

Color values

HEX	#12343C
RGB	rgb(18, 52, 60)
HSL	hsl(191, 54%, 15%)
HSV	hsv(191, 70%, 24%)
CMYK	cmyk(70%, 13.3%, 0%, 76.5%)
CIE-LAB	lab(19.68, -9.33, -8.71)
CIE-LCH	lch(19.68, 12.77, 223.02°)
OKLab	oklab(30.39% -0.0337 -0.0242)
OKLCH	oklch(30.39% 0.041 215.7)
XYZ	xyz(2.2927, 2.9106, 4.7151)
Luminance	0.0291 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12343C #3C1A12

analogous

#123C2F #12343C #121F3C

triadic

#12343C #3C1234 #343C12

tetradic

#12343C #2F123C #3C1A12 #1F3C12

square

#12343C #2F123C #3C1A12 #1F3C12

split-complementary

#12343C #3C121F #3C2F12

monochromatic

#071418 #071418 #12343C #205D6B #2E869A

Accessibility & contrast

On white

13.27

#12343C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#12343C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12343C

13.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12343C	#FFFFFF	#000000	##FFFFFF
##12343C	1.00	13.27	1.58	13.27
#FFFFFF	13.27	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E323C

Deuteranopia (green-blind)

#282E3C

Tritanopia (blue-blind)

#003736

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #12343c;
/* rgb */ color: rgb(18, 52, 60);
/* oklch */ color: oklch(30.4% 0.041 215.7);

Tailwind

colors: {
  custom: {
    50: '#556b71',
    500: '#12343c',
    950: '#000000',
  },
}

SCSS

$custom: #12343c;
$custom-light: #556b71;
$custom-dark: #000000;

JSON

{
  "hex": "#12343c",
  "rgb": {
    "r": 18,
    "g": 52,
    "b": 60
  },
  "hsl": {
    "h": 191.429,
    "s": 53.846,
    "l": 15.294
  },
  "oklch": {
    "l": 0.30392,
    "c": 0.04147,
    "h": 215.7
  },
  "luminance": 0.02911
}

Semantic roles & 50–950 ramp

primary

#12343C

secondary

#754135

accent

#674BDD

background

#F5F6F6

surface

#E9EBEC

border

#C5C6C7

text

#030607

muted

#787A7A

Preview Lab

Preview with #12343C

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

Preview Lab → · Contrast checker → · Palette generator →