#123F2F#123F2F

#123F2F is a dark, muted teal. Relative luminance 0.039; OKLCH L 33.2% C 0.057 H 166.0°. Best body text is #FFFFFF at 11.81:1 contrast (WCAG AA passes).

Color values

HEX	#123F2F
RGB	rgb(18, 63, 47)
HSL	hsl(159, 56%, 16%)
HSV	hsv(159, 71%, 25%)
CMYK	cmyk(71.4%, 0%, 25.4%, 75.3%)
CIE-LAB	lab(23.30, -19.91, 5.37)
CIE-LCH	lch(23.30, 20.62, 164.92°)
OKLab	oklab(33.17% -0.0552 0.0137)
OKLCH	oklch(33.17% 0.057 166)
XYZ	xyz(2.5398, 3.8886, 3.3055)
Luminance	0.0389 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123F2F #3F1222

analogous

#123F18 #123F2F #12383F

triadic

#123F2F #2F123F #3F2F12

tetradic

#123F2F #18123F #3F1222 #383F12

square

#123F2F #18123F #3F1222 #383F12

split-complementary

#123F2F #3F1238 #3F1812

monochromatic

#071812 #071812 #123F2F #206F53 #2D9E76

Accessibility & contrast

On white

11.81

#123F2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#123F2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123F2F

11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123F2F	#FFFFFF	#000000	##FFFFFF
##123F2F	1.00	11.81	1.78	11.81
#FFFFFF	11.81	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3A2E

Deuteranopia (green-blind)

#373630

Tritanopia (blue-blind)

#003F3B

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #123f2f;
/* rgb */ color: rgb(18, 63, 47);
/* oklch */ color: oklch(33.2% 0.057 166.0);

Tailwind

colors: {
  custom: {
    50: '#567467',
    500: '#123f2f',
    950: '#000000',
  },
}

SCSS

$custom: #123f2f;
$custom-light: #567467;
$custom-dark: #000000;

JSON

{
  "hex": "#123f2f",
  "rgb": {
    "r": 18,
    "g": 63,
    "b": 47
  },
  "hsl": {
    "h": 158.667,
    "s": 55.556,
    "l": 15.882
  },
  "oklch": {
    "l": 0.33175,
    "c": 0.05688,
    "h": 166
  },
  "luminance": 0.03889
}

Semantic roles & 50–950 ramp

primary

#123F2F

secondary

#78354D

accent

#497EDF

background

#F5F7F6

surface

#E9EDEB

border

#C5C8C6

text

#030806

muted

#787B7A

Preview Lab

Preview with #123F2F

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

Preview Lab → · Contrast checker → · Palette generator →