#123A2C#123A2C

#123A2C is a dark, muted teal. Relative luminance 0.033; OKLCH L 31.6% C 0.052 H 166.9°. Best body text is #FFFFFF at 12.59:1 contrast (WCAG AA passes).

Color values

HEX	#123A2C
RGB	rgb(18, 58, 44)
HSL	hsl(159, 53%, 15%)
HSV	hsv(159, 69%, 23%)
CMYK	cmyk(69%, 0%, 24.1%, 77.3%)
CIE-LAB	lab(21.34, -18.10, 4.59)
CIE-LCH	lch(21.34, 18.68, 165.77°)
OKLab	oklab(31.55% -0.0504 0.0118)
OKLCH	oklch(31.55% 0.052 166.9)
XYZ	xyz(2.2169, 3.3363, 2.9095)
Luminance	0.0334 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123A2C #3A1220

analogous

#123A18 #123A2C #12343A

triadic

#123A2C #2C123A #3A2C12

tetradic

#123A2C #18123A #3A1220 #343A12

square

#123A2C #18123A #3A1220 #343A12

split-complementary

#123A2C #3A1234 #3A1812

monochromatic

#071712 #071712 #123A2C #20694F #2F9773

Accessibility & contrast

On white

12.59

#123A2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#123A2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123A2C

12.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123A2C	#FFFFFF	#000000	##FFFFFF
##123A2C	1.00	12.59	1.67	12.59
#FFFFFF	12.59	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39362B

Deuteranopia (green-blind)

#33322D

Tritanopia (blue-blind)

#003A36

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #123a2c;
/* rgb */ color: rgb(18, 58, 44);
/* oklch */ color: oklch(31.6% 0.052 166.9);

Tailwind

colors: {
  custom: {
    50: '#557065',
    500: '#123a2c',
    950: '#000000',
  },
}

SCSS

$custom: #123a2c;
$custom-light: #557065;
$custom-dark: #000000;

JSON

{
  "hex": "#123a2c",
  "rgb": {
    "r": 18,
    "g": 58,
    "b": 44
  },
  "hsl": {
    "h": 159,
    "s": 52.632,
    "l": 14.902
  },
  "oklch": {
    "l": 0.3155,
    "c": 0.05173,
    "h": 166.9
  },
  "luminance": 0.03337
}

Semantic roles & 50–950 ramp

primary

#123A2C

secondary

#73354B

accent

#4C7EDC

background

#F5F6F6

surface

#E9ECEB

border

#C5C7C6

text

#030705

muted

#787A7A

Preview Lab

Preview with #123A2C

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

Preview Lab → · Contrast checker → · Palette generator →