#12423C#12423C

#12423C is a dark, muted teal. Relative luminance 0.044; OKLCH L 34.5% C 0.052 H 183.5°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#12423C
RGB	rgb(18, 66, 60)
HSL	hsl(173, 57%, 16%)
HSV	hsv(173, 73%, 26%)
CMYK	cmyk(72.7%, 0%, 9.1%, 74.1%)
CIE-LAB	lab(24.80, -17.62, -1.06)
CIE-LCH	lch(24.80, 17.65, 183.45°)
OKLab	oklab(34.53% -0.0517 -0.0031)
OKLCH	oklch(34.53% 0.052 183.5)
XYZ	xyz(3.0129, 4.3509, 4.9551)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12423C #421218

analogous

#124224 #12423C #123042

triadic

#12423C #3C1242 #423C12

tetradic

#12423C #241242 #421218 #304212

square

#12423C #241242 #421218 #304212

split-complementary

#12423C #421230 #422412

monochromatic

#071816 #071816 #12423C #1F7268 #2CA293

Accessibility & contrast

On white

11.23

#12423C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#12423C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12423C

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12423C	#FFFFFF	#000000	##FFFFFF
##12423C	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3F3E3C

Deuteranopia (green-blind)

#37393D

Tritanopia (blue-blind)

#004340

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #12423c;
/* rgb */ color: rgb(18, 66, 60);
/* oklch */ color: oklch(34.5% 0.052 183.5);

Tailwind

colors: {
  custom: {
    50: '#577671',
    500: '#12423c',
    950: '#000000',
  },
}

SCSS

$custom: #12423c;
$custom-light: #577671;
$custom-dark: #000000;

JSON

{
  "hex": "#12423c",
  "rgb": {
    "r": 18,
    "g": 66,
    "b": 60
  },
  "hsl": {
    "h": 172.5,
    "s": 57.143,
    "l": 16.471
  },
  "oklch": {
    "l": 0.34527,
    "c": 0.05185,
    "h": 183.5
  },
  "luminance": 0.04351
}

Semantic roles & 50–950 ramp

primary

#12423C

secondary

#7B353E

accent

#475BE0

background

#F5F7F6

surface

#E9EDEC

border

#C5C8C7

text

#030807

muted

#787B7A

Preview Lab

Preview with #12423C

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

Preview Lab → · Contrast checker → · Palette generator →