#123156#123156

#123156 is a dark, moderate cyan. Relative luminance 0.030; OKLCH L 31.1% C 0.076 H 254.6°. Best body text is #FFFFFF at 13.13:1 contrast (WCAG AA passes).

Color values

HEX	#123156
RGB	rgb(18, 49, 86)
HSL	hsl(213, 65%, 20%)
HSV	hsv(213, 79%, 34%)
CMYK	cmyk(79.1%, 43%, 0%, 66.3%)
CIE-LAB	lab(20.03, 3.18, -25.71)
CIE-LCH	lch(20.03, 25.90, 277.05°)
OKLab	oklab(31.13% -0.0201 -0.0733)
OKLCH	oklch(31.13% 0.076 254.6)
XYZ	xyz(3.0269, 2.9968, 9.2212)
Luminance	0.0300 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123156 #563712

analogous

#125356 #123156 #151256

triadic

#123156 #561231 #315612

tetradic

#123156 #561253 #563712 #125615

square

#123156 #561253 #563712 #125615

split-complementary

#123156 #561512 #535612

monochromatic

#050E19 #071423 #123156 #1D4E89 #276BBB

Accessibility & contrast

On white

13.13

#123156 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#123156 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123156

13.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123156	#FFFFFF	#000000	##FFFFFF
##123156	1.00	13.13	1.60	13.13
#FFFFFF	13.13	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#203457

Deuteranopia (green-blind)

#152D55

Tritanopia (blue-blind)

#003A3F

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #123156;
/* rgb */ color: rgb(18, 49, 86);
/* oklch */ color: oklch(31.1% 0.076 254.6);

Tailwind

colors: {
  custom: {
    50: '#5a6886',
    500: '#123156',
    950: '#000000',
  },
}

SCSS

$custom: #123156;
$custom-light: #5a6886;
$custom-dark: #000000;

JSON

{
  "hex": "#123156",
  "rgb": {
    "r": 18,
    "g": 49,
    "b": 86
  },
  "hsl": {
    "h": 212.647,
    "s": 65.385,
    "l": 20.392
  },
  "oklch": {
    "l": 0.31127,
    "c": 0.07606,
    "h": 254.6
  },
  "luminance": 0.02997
}

Semantic roles & 50–950 ramp

primary

#123156

secondary

#8F6635

accent

#9B3FE8

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04060B

muted

#797A7C

Preview Lab

Preview with #123156

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

Preview Lab → · Contrast checker → · Palette generator →