#123D43#123D43

#123D43 is a dark, muted teal. Relative luminance 0.039; OKLCH L 33.4% C 0.047 H 208.1°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#123D43
RGB	rgb(18, 61, 67)
HSL	hsl(187, 58%, 17%)
HSV	hsv(187, 73%, 26%)
CMYK	cmyk(73.1%, 9%, 0%, 73.7%)
CIE-LAB	lab(23.24, -12.35, -8.03)
CIE-LCH	lch(23.24, 14.73, 213.05°)
OKLab	oklab(33.35% -0.0418 -0.0223)
OKLCH	oklch(33.35% 0.047 208.1)
XYZ	xyz(2.9309, 3.8710, 5.9018)
Luminance	0.0387 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123D43 #431812

analogous

#124331 #123D43 #122543

triadic

#123D43 #43123D #3D4312

tetradic

#123D43 #311243 #431812 #254312

square

#123D43 #311243 #431812 #254312

split-complementary

#123D43 #431225 #433112

monochromatic

#061618 #061618 #123D43 #1F6973 #2C95A3

Accessibility & contrast

On white

11.84

#123D43 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#123D43 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123D43

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123D43	#FFFFFF	#000000	##FFFFFF
##123D43	1.00	11.84	1.77	11.84
#FFFFFF	11.84	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373A43

Deuteranopia (green-blind)

#303543

Tritanopia (blue-blind)

#00403F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #123d43;
/* rgb */ color: rgb(18, 61, 67);
/* oklch */ color: oklch(33.4% 0.047 208.1);

Tailwind

colors: {
  custom: {
    50: '#577277',
    500: '#123d43',
    950: '#000000',
  },
}

SCSS

$custom: #123d43;
$custom-light: #577277;
$custom-dark: #000000;

JSON

{
  "hex": "#123d43",
  "rgb": {
    "r": 18,
    "g": 61,
    "b": 67
  },
  "hsl": {
    "h": 187.347,
    "s": 57.647,
    "l": 16.667
  },
  "oklch": {
    "l": 0.3335,
    "c": 0.04736,
    "h": 208.1
  },
  "luminance": 0.03871
}

Semantic roles & 50–950 ramp

primary

#123D43

secondary

#7C3D35

accent

#5A47E1

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#030808

muted

#787B7B

Preview Lab

Preview with #123D43

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

Preview Lab → · Contrast checker → · Palette generator →