#123443#123443

#123443 is a dark, muted cyan. Relative luminance 0.030; OKLCH L 30.8% C 0.047 H 230.1°. Best body text is #FFFFFF at 13.14:1 contrast (WCAG AA passes).

Color values

HEX	#123443
RGB	rgb(18, 52, 67)
HSL	hsl(198, 58%, 17%)
HSV	hsv(198, 73%, 26%)
CMYK	cmyk(73.1%, 22.4%, 0%, 73.7%)
CIE-LAB	lab(20.00, -6.68, -12.98)
CIE-LCH	lch(20.00, 14.60, 242.78°)
OKLab	oklab(30.75% -0.0304 -0.0363)
OKLCH	oklch(30.75% 0.047 230.1)
XYZ	xyz(2.4902, 2.9896, 5.7549)
Luminance	0.0299 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123443 #432112

analogous

#12433A #123443 #121C43

triadic

#123443 #431234 #344312

tetradic

#123443 #3A1243 #432112 #1C4312

square

#123443 #3A1243 #432112 #1C4312

split-complementary

#123443 #43121C #433A12

monochromatic

#061318 #061318 #123443 #1F5973 #2C7FA3

Accessibility & contrast

On white

13.14

#123443 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#123443 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123443

13.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123443	#FFFFFF	#000000	##FFFFFF
##123443	1.00	13.14	1.60	13.14
#FFFFFF	13.14	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3344

Deuteranopia (green-blind)

#262E43

Tritanopia (blue-blind)

#003839

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #123443;
/* rgb */ color: rgb(18, 52, 67);
/* oklch */ color: oklch(30.8% 0.047 230.1);

Tailwind

colors: {
  custom: {
    50: '#566b77',
    500: '#123443',
    950: '#000000',
  },
}

SCSS

$custom: #123443;
$custom-light: #566b77;
$custom-dark: #000000;

JSON

{
  "hex": "#123443",
  "rgb": {
    "r": 18,
    "g": 52,
    "b": 67
  },
  "hsl": {
    "h": 198.367,
    "s": 57.647,
    "l": 16.667
  },
  "oklch": {
    "l": 0.30754,
    "c": 0.04738,
    "h": 230.1
  },
  "luminance": 0.0299
}

Semantic roles & 50–950 ramp

primary

#123443

secondary

#7C4B35

accent

#7647E1

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030608

muted

#787A7B

Preview Lab

Preview with #123443

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

Preview Lab → · Contrast checker → · Palette generator →