#123753#123753

#123753 is a dark, moderate cyan. Relative luminance 0.035; OKLCH L 32.5% C 0.065 H 244.8°. Best body text is #FFFFFF at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#123753
RGB	rgb(18, 55, 83)
HSL	hsl(206, 64%, 20%)
HSV	hsv(206, 78%, 33%)
CMYK	cmyk(78.3%, 33.7%, 0%, 67.5%)
CIE-LAB	lab(21.89, -2.27, -20.77)
CIE-LCH	lch(21.89, 20.89, 263.76°)
OKLab	oklab(32.53% -0.0277 -0.0588)
OKLCH	oklch(32.53% 0.065 244.8)
XYZ	xyz(3.1764, 3.4852, 8.6872)
Luminance	0.0349 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123753 #532E12

analogous

#12534E #123753 #121753

triadic

#123753 #531237 #375312

tetradic

#123753 #4E1253 #532E12 #175312

square

#123753 #4E1253 #532E12 #175312

split-complementary

#123753 #531217 #534E12

monochromatic

#051119 #071621 #123753 #1D5885 #287AB8

Accessibility & contrast

On white

12.37

#123753 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#123753 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123753

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123753	#FFFFFF	#000000	##FFFFFF
##123753	1.00	12.37	1.70	12.37
#FFFFFF	12.37	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3854

Deuteranopia (green-blind)

#213252

Tritanopia (blue-blind)

#003E41

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #123753;
/* rgb */ color: rgb(18, 55, 83);
/* oklch */ color: oklch(32.5% 0.065 244.8);

Tailwind

colors: {
  custom: {
    50: '#5a6d83',
    500: '#123753',
    950: '#000000',
  },
}

SCSS

$custom: #123753;
$custom-light: #5a6d83;
$custom-dark: #000000;

JSON

{
  "hex": "#123753",
  "rgb": {
    "r": 18,
    "g": 55,
    "b": 83
  },
  "hsl": {
    "h": 205.846,
    "s": 64.356,
    "l": 19.804
  },
  "oklch": {
    "l": 0.32527,
    "c": 0.06501,
    "h": 244.8
  },
  "luminance": 0.03486
}

Semantic roles & 50–950 ramp

primary

#123753

secondary

#8C5A35

accent

#8840E7

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04070A

muted

#797A7C

Preview Lab

Preview with #123753

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

Preview Lab → · Contrast checker → · Palette generator →