#123756#123756

#123756 is a dark, moderate cyan. Relative luminance 0.035; OKLCH L 32.7% C 0.069 H 247.3°. Best body text is #FFFFFF at 12.31:1 contrast (WCAG AA passes).

Color values

HEX	#123756
RGB	rgb(18, 55, 86)
HSL	hsl(207, 65%, 20%)
HSV	hsv(207, 79%, 34%)
CMYK	cmyk(79.1%, 36%, 0%, 66.3%)
CIE-LAB	lab(22.06, -1.03, -22.49)
CIE-LCH	lch(22.06, 22.51, 267.38°)
OKLab	oklab(32.72% -0.0267 -0.0638)
OKLCH	oklch(32.72% 0.069 247.3)
XYZ	xyz(3.2947, 3.5325, 9.3105)
Luminance	0.0353 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123756 #563112

analogous

#125653 #123756 #121556

triadic

#123756 #561237 #375612

tetradic

#123756 #531256 #563112 #155612

square

#123756 #531256 #563112 #155612

split-complementary

#123756 #561215 #565312

monochromatic

#051019 #071723 #123756 #1D5789 #2778BB

Accessibility & contrast

On white

12.31

#123756 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#123756 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123756

12.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123756	#FFFFFF	#000000	##FFFFFF
##123756	1.00	12.31	1.71	12.31
#FFFFFF	12.31	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293857

Deuteranopia (green-blind)

#1F3255

Tritanopia (blue-blind)

#003E42

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #123756;
/* rgb */ color: rgb(18, 55, 86);
/* oklch */ color: oklch(32.7% 0.069 247.3);

Tailwind

colors: {
  custom: {
    50: '#5a6d86',
    500: '#123756',
    950: '#000000',
  },
}

SCSS

$custom: #123756;
$custom-light: #5a6d86;
$custom-dark: #000000;

JSON

{
  "hex": "#123756",
  "rgb": {
    "r": 18,
    "g": 55,
    "b": 86
  },
  "hsl": {
    "h": 207.353,
    "s": 65.385,
    "l": 20.392
  },
  "oklch": {
    "l": 0.32717,
    "c": 0.06916,
    "h": 247.3
  },
  "luminance": 0.03533
}

Semantic roles & 50–950 ramp

primary

#123756

secondary

#8F5E35

accent

#8C3FE8

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #123756

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

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