#123E56#123E56

#123E56 is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.6% C 0.063 H 236.8°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#123E56
RGB	rgb(18, 62, 86)
HSL	hsl(201, 65%, 20%)
HSV	hsv(201, 79%, 34%)
CMYK	cmyk(79.1%, 27.9%, 0%, 66.3%)
CIE-LAB	lab(24.47, -5.72, -18.72)
CIE-LCH	lch(24.47, 19.57, 253.01°)
OKLab	oklab(34.62% -0.0345 -0.0527)
OKLCH	oklch(34.62% 0.063 236.8)
XYZ	xyz(3.6511, 4.2453, 9.4293)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123E56 #562A12

analogous

#12564C #123E56 #121C56

triadic

#123E56 #56123E #3E5612

tetradic

#123E56 #4C1256 #562A12 #1C5612

square

#123E56 #4C1256 #562A12 #1C5612

split-complementary

#123E56 #56121C #564C12

monochromatic

#051219 #071A23 #123E56 #1D6289 #2787BB

Accessibility & contrast

On white

11.36

#123E56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#123E56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123E56

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123E56	#FFFFFF	#000000	##FFFFFF
##123E56	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333E57

Deuteranopia (green-blind)

#293756

Tritanopia (blue-blind)

#004446

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #123e56;
/* rgb */ color: rgb(18, 62, 86);
/* oklch */ color: oklch(34.6% 0.063 236.8);

Tailwind

colors: {
  custom: {
    50: '#5b7385',
    500: '#123e56',
    950: '#000000',
  },
}

SCSS

$custom: #123e56;
$custom-light: #5b7385;
$custom-dark: #000000;

JSON

{
  "hex": "#123e56",
  "rgb": {
    "r": 18,
    "g": 62,
    "b": 86
  },
  "hsl": {
    "h": 201.176,
    "s": 65.385,
    "l": 20.392
  },
  "oklch": {
    "l": 0.3462,
    "c": 0.06304,
    "h": 236.8
  },
  "luminance": 0.04246
}

Semantic roles & 50–950 ramp

primary

#123E56

secondary

#8F5535

accent

#7B3FE8

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #123E56

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

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