#123040#123040

#123040 is a dark, muted cyan. Relative luminance 0.026; OKLCH L 29.4% C 0.046 H 234.7°. Best body text is #FFFFFF at 13.79:1 contrast (WCAG AA passes).

Color values

HEX	#123040
RGB	rgb(18, 48, 64)
HSL	hsl(201, 56%, 16%)
HSV	hsv(201, 72%, 25%)
CMYK	cmyk(71.9%, 25%, 0%, 74.9%)
CIE-LAB	lab(18.42, -5.19, -13.39)
CIE-LCH	lch(18.42, 14.36, 248.81°)
OKLab	oklab(29.45% -0.0266 -0.0375)
OKLCH	oklch(29.45% 0.046 234.7)
XYZ	xyz(2.2315, 2.6124, 5.2361)
Luminance	0.0261 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123040 #402212

analogous

#124039 #123040 #121940

triadic

#123040 #401230 #304012

tetradic

#123040 #391240 #402212 #194012

square

#123040 #391240 #402212 #194012

split-complementary

#123040 #401219 #403912

monochromatic

#071218 #071218 #123040 #1F5470 #2D78A0

Accessibility & contrast

On white

13.79

#123040 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#123040 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123040

13.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123040	#FFFFFF	#000000	##FFFFFF
##123040	1.00	13.79	1.52	13.79
#FFFFFF	13.79	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283041

Deuteranopia (green-blind)

#222B40

Tritanopia (blue-blind)

#003435

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #123040;
/* rgb */ color: rgb(18, 48, 64);
/* oklch */ color: oklch(29.4% 0.046 234.7);

Tailwind

colors: {
  custom: {
    50: '#566874',
    500: '#123040',
    950: '#000000',
  },
}

SCSS

$custom: #123040;
$custom-light: #566874;
$custom-dark: #000000;

JSON

{
  "hex": "#123040",
  "rgb": {
    "r": 18,
    "g": 48,
    "b": 64
  },
  "hsl": {
    "h": 200.87,
    "s": 56.098,
    "l": 16.078
  },
  "oklch": {
    "l": 0.29445,
    "c": 0.04598,
    "h": 234.7
  },
  "luminance": 0.02613
}

Semantic roles & 50–950 ramp

primary

#123040

secondary

#794D35

accent

#7D48DF

background

#F5F6F7

surface

#E9EBED

border

#C5C6C8

text

#030608

muted

#787A7B

Preview Lab

Preview with #123040

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

Preview Lab → · Contrast checker → · Palette generator →