#123D40#123D40

#123D40 is a dark, muted teal. Relative luminance 0.038; OKLCH L 33.2% C 0.047 H 201.7°. Best body text is #FFFFFF at 11.88:1 contrast (WCAG AA passes).

Color values

HEX	#123D40
RGB	rgb(18, 61, 64)
HSL	hsl(184, 56%, 16%)
HSV	hsv(184, 72%, 25%)
CMYK	cmyk(71.9%, 4.7%, 0%, 74.9%)
CIE-LAB	lab(23.12, -13.41, -6.21)
CIE-LCH	lch(23.12, 14.78, 204.85°)
OKLab	oklab(33.22% -0.0433 -0.0172)
OKLCH	oklch(33.22% 0.047 201.7)
XYZ	xyz(2.8432, 3.8359, 5.4401)
Luminance	0.0384 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123D40 #401512

analogous

#12402C #123D40 #122640

triadic

#123D40 #40123D #3D4012

tetradic

#123D40 #2C1240 #401512 #264012

square

#123D40 #2C1240 #401512 #264012

split-complementary

#123D40 #401226 #402C12

monochromatic

#071718 #071718 #123D40 #1F6B70 #2D98A0

Accessibility & contrast

On white

11.88

#123D40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#123D40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123D40

11.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123D40	#FFFFFF	#000000	##FFFFFF
##123D40	1.00	11.88	1.77	11.88
#FFFFFF	11.88	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383A40

Deuteranopia (green-blind)

#313540

Tritanopia (blue-blind)

#00403E

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #123d40;
/* rgb */ color: rgb(18, 61, 64);
/* oklch */ color: oklch(33.2% 0.047 201.7);

Tailwind

colors: {
  custom: {
    50: '#577274',
    500: '#123d40',
    950: '#000000',
  },
}

SCSS

$custom: #123d40;
$custom-light: #577274;
$custom-dark: #000000;

JSON

{
  "hex": "#123d40",
  "rgb": {
    "r": 18,
    "g": 61,
    "b": 64
  },
  "hsl": {
    "h": 183.913,
    "s": 56.098,
    "l": 16.078
  },
  "oklch": {
    "l": 0.33215,
    "c": 0.0466,
    "h": 201.7
  },
  "luminance": 0.03836
}

Semantic roles & 50–950 ramp

primary

#123D40

secondary

#793935

accent

#5248DF

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030808

muted

#787B7B

Preview Lab

Preview with #123D40

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

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