#123551#123551

#123551 is a dark, moderate cyan. Relative luminance 0.033; OKLCH L 31.9% C 0.064 H 246.0°. Best body text is #FFFFFF at 12.70:1 contrast (WCAG AA passes).

Color values

HEX	#123551
RGB	rgb(18, 53, 81)
HSL	hsl(207, 64%, 19%)
HSV	hsv(207, 78%, 32%)
CMYK	cmyk(77.8%, 34.6%, 0%, 68.2%)
CIE-LAB	lab(21.09, -1.73, -20.70)
CIE-LCH	lch(21.09, 20.77, 265.24°)
OKLab	oklab(31.86% -0.0261 -0.0586)
OKLCH	oklch(31.86% 0.064 246)
XYZ	xyz(3.0072, 3.2686, 8.2554)
Luminance	0.0327 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123551 #512E12

analogous

#12514E #123551 #121651

triadic

#123551 #511235 #355112

tetradic

#123551 #4E1251 #512E12 #165112

square

#123551 #4E1251 #512E12 #165112

split-complementary

#123551 #511216 #514E12

monochromatic

#061019 #07141F #123551 #1D5683 #2877B5

Accessibility & contrast

On white

12.70

#123551 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#123551 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123551

12.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123551	#FFFFFF	#000000	##FFFFFF
##123551	1.00	12.70	1.65	12.70
#FFFFFF	12.70	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283652

Deuteranopia (green-blind)

#203050

Tritanopia (blue-blind)

#003C3F

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #123551;
/* rgb */ color: rgb(18, 53, 81);
/* oklch */ color: oklch(31.9% 0.064 246.0);

Tailwind

colors: {
  custom: {
    50: '#596c82',
    500: '#123551',
    950: '#000000',
  },
}

SCSS

$custom: #123551;
$custom-light: #596c82;
$custom-dark: #000000;

JSON

{
  "hex": "#123551",
  "rgb": {
    "r": 18,
    "g": 53,
    "b": 81
  },
  "hsl": {
    "h": 206.667,
    "s": 63.636,
    "l": 19.412
  },
  "oklch": {
    "l": 0.31857,
    "c": 0.06419,
    "h": 246
  },
  "luminance": 0.03269
}

Semantic roles & 50–950 ramp

primary

#123551

secondary

#8A5B35

accent

#8B41E7

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #123551

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

Preview Lab → · Contrast checker → · Palette generator →