#123351#123351

#123351 is a dark, moderate cyan. Relative luminance 0.031; OKLCH L 31.3% C 0.066 H 248.9°. Best body text is #FFFFFF at 12.98:1 contrast (WCAG AA passes).

Color values

HEX	#123351
RGB	rgb(18, 51, 81)
HSL	hsl(209, 64%, 19%)
HSV	hsv(209, 78%, 32%)
CMYK	cmyk(77.8%, 37%, 0%, 68.2%)
CIE-LAB	lab(20.40, -0.34, -21.79)
CIE-LCH	lch(20.40, 21.79, 269.11°)
OKLab	oklab(31.32% -0.0238 -0.0618)
OKLCH	oklch(31.32% 0.066 248.9)
XYZ	xyz(2.9179, 3.0900, 8.2256)
Luminance	0.0309 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123351 #513012

analogous

#125150 #123351 #121451

triadic

#123351 #511233 #335112

tetradic

#123351 #501251 #513012 #145112

square

#123351 #501251 #513012 #145112

split-complementary

#123351 #511214 #515012

monochromatic

#061019 #07131F #123351 #1D5383 #2872B5

Accessibility & contrast

On white

12.98

#123351 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.62

#123351 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123351

12.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123351	#FFFFFF	#000000	##FFFFFF
##123351	1.00	12.98	1.62	12.98
#FFFFFF	12.98	1.00	21.00	1.00
#000000	1.62	21.00	1.00	21.00
##FFFFFF	12.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#253452

Deuteranopia (green-blind)

#1D2E50

Tritanopia (blue-blind)

#003A3E

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #123351;
/* rgb */ color: rgb(18, 51, 81);
/* oklch */ color: oklch(31.3% 0.066 248.9);

Tailwind

colors: {
  custom: {
    50: '#596a82',
    500: '#123351',
    950: '#000000',
  },
}

SCSS

$custom: #123351;
$custom-light: #596a82;
$custom-dark: #000000;

JSON

{
  "hex": "#123351",
  "rgb": {
    "r": 18,
    "g": 51,
    "b": 81
  },
  "hsl": {
    "h": 208.571,
    "s": 63.636,
    "l": 19.412
  },
  "oklch": {
    "l": 0.31316,
    "c": 0.06627,
    "h": 248.9
  },
  "luminance": 0.0309
}

Semantic roles & 50–950 ramp

primary

#123351

secondary

#8A5D35

accent

#9041E7

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #123351

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

Preview Lab → · Contrast checker → · Palette generator →