#123A3D#123A3D

#123A3D is a dark, muted teal. Relative luminance 0.035; OKLCH L 32.2% C 0.044 H 202.1°. Best body text is #FFFFFF at 12.36:1 contrast (WCAG AA passes).

Color values

HEX	#123A3D
RGB	rgb(18, 58, 61)
HSL	hsl(184, 54%, 15%)
HSV	hsv(184, 70%, 24%)
CMYK	cmyk(70.5%, 4.9%, 0%, 76.1%)
CIE-LAB	lab(21.91, -12.68, -6.02)
CIE-LCH	lch(21.91, 14.03, 205.38°)
OKLab	oklab(32.2% -0.041 -0.0167)
OKLCH	oklch(32.2% 0.044 202.1)
XYZ	xyz(2.6045, 3.4914, 4.9506)
Luminance	0.0349 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123A3D #3D1512

analogous

#123D2A #123A3D #12243D

triadic

#123A3D #3D123A #3A3D12

tetradic

#123A3D #2A123D #3D1512 #243D12

square

#123A3D #2A123D #3D1512 #243D12

split-complementary

#123A3D #3D1224 #3D2A12

monochromatic

#071618 #071618 #123A3D #20676C #2E949C

Accessibility & contrast

On white

12.36

#123A3D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#123A3D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123A3D

12.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123A3D	#FFFFFF	#000000	##FFFFFF
##123A3D	1.00	12.36	1.70	12.36
#FFFFFF	12.36	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#35373D

Deuteranopia (green-blind)

#2F323D

Tritanopia (blue-blind)

#003C3B

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #123a3d;
/* rgb */ color: rgb(18, 58, 61);
/* oklch */ color: oklch(32.2% 0.044 202.1);

Tailwind

colors: {
  custom: {
    50: '#567072',
    500: '#123a3d',
    950: '#000000',
  },
}

SCSS

$custom: #123a3d;
$custom-light: #567072;
$custom-dark: #000000;

JSON

{
  "hex": "#123a3d",
  "rgb": {
    "r": 18,
    "g": 58,
    "b": 61
  },
  "hsl": {
    "h": 184.186,
    "s": 54.43,
    "l": 15.49
  },
  "oklch": {
    "l": 0.32201,
    "c": 0.04426,
    "h": 202.1
  },
  "luminance": 0.03492
}

Semantic roles & 50–950 ramp

primary

#123A3D

secondary

#763935

accent

#544ADE

background

#F5F6F6

surface

#E9ECEC

border

#C5C7C7

text

#030708

muted

#787A7B

Preview Lab

Preview with #123A3D

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

Preview Lab → · Contrast checker → · Palette generator →