#123140#123140

#123140 is a dark, muted cyan. Relative luminance 0.027; OKLCH L 29.7% C 0.045 H 232.2°. Best body text is #FFFFFF at 13.65:1 contrast (WCAG AA passes).

Color values

HEX	#123140
RGB	rgb(18, 49, 64)
HSL	hsl(200, 56%, 16%)
HSV	hsv(200, 72%, 25%)
CMYK	cmyk(71.9%, 23.4%, 0%, 74.9%)
CIE-LAB	lab(18.78, -5.86, -12.83)
CIE-LCH	lch(18.78, 14.11, 245.44°)
OKLab	oklab(29.73% -0.0279 -0.0359)
OKLCH	oklch(29.73% 0.045 232.2)
XYZ	xyz(2.2728, 2.6952, 5.2499)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123140 #402112

analogous

#124038 #123140 #121A40

triadic

#123140 #401231 #314012

tetradic

#123140 #381240 #402112 #1A4012

square

#123140 #381240 #402112 #1A4012

split-complementary

#123140 #40121A #403812

monochromatic

#071218 #071218 #123140 #1F5670 #2D7AA0

Accessibility & contrast

On white

13.65

#123140 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#123140 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123140

13.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123140	#FFFFFF	#000000	##FFFFFF
##123140	1.00	13.65	1.54	13.65
#FFFFFF	13.65	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3041

Deuteranopia (green-blind)

#232C40

Tritanopia (blue-blind)

#003536

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #123140;
/* rgb */ color: rgb(18, 49, 64);
/* oklch */ color: oklch(29.7% 0.045 232.2);

Tailwind

colors: {
  custom: {
    50: '#566974',
    500: '#123140',
    950: '#000000',
  },
}

SCSS

$custom: #123140;
$custom-light: #566974;
$custom-dark: #000000;

JSON

{
  "hex": "#123140",
  "rgb": {
    "r": 18,
    "g": 49,
    "b": 64
  },
  "hsl": {
    "h": 199.565,
    "s": 56.098,
    "l": 16.078
  },
  "oklch": {
    "l": 0.29731,
    "c": 0.04546,
    "h": 232.2
  },
  "luminance": 0.02695
}

Semantic roles & 50–950 ramp

primary

#123140

secondary

#794B35

accent

#7A48DF

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030608

muted

#787A7B

Preview Lab

Preview with #123140

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

Preview Lab → · Contrast checker → · Palette generator →