#123451#123451

#123451 is a dark, moderate cyan. Relative luminance 0.032; OKLCH L 31.6% C 0.065 H 247.5°. Best body text is #FFFFFF at 12.84:1 contrast (WCAG AA passes).

Color values

HEX	#123451
RGB	rgb(18, 52, 81)
HSL	hsl(208, 64%, 19%)
HSV	hsv(208, 78%, 32%)
CMYK	cmyk(77.8%, 35.8%, 0%, 68.2%)
CIE-LAB	lab(20.74, -1.03, -21.25)
CIE-LCH	lch(20.74, 21.27, 267.21°)
OKLab	oklab(31.59% -0.025 -0.0602)
OKLCH	oklch(31.59% 0.065 247.5)
XYZ	xyz(2.9621, 3.1783, 8.2404)
Luminance	0.0318 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123451 #512F12

analogous

#12514F #123451 #121551

triadic

#123451 #511234 #345112

tetradic

#123451 #4F1251 #512F12 #155112

square

#123451 #4F1251 #512F12 #155112

split-complementary

#123451 #511215 #514F12

monochromatic

#061019 #07141F #123451 #1D5483 #2874B5

Accessibility & contrast

On white

12.84

#123451 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#123451 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123451

12.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123451	#FFFFFF	#000000	##FFFFFF
##123451	1.00	12.84	1.64	12.84
#FFFFFF	12.84	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#273552

Deuteranopia (green-blind)

#1E2F50

Tritanopia (blue-blind)

#003B3E

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #123451;
/* rgb */ color: rgb(18, 52, 81);
/* oklch */ color: oklch(31.6% 0.065 247.5);

Tailwind

colors: {
  custom: {
    50: '#596b82',
    500: '#123451',
    950: '#000000',
  },
}

SCSS

$custom: #123451;
$custom-light: #596b82;
$custom-dark: #000000;

JSON

{
  "hex": "#123451",
  "rgb": {
    "r": 18,
    "g": 52,
    "b": 81
  },
  "hsl": {
    "h": 207.619,
    "s": 63.636,
    "l": 19.412
  },
  "oklch": {
    "l": 0.31586,
    "c": 0.0652,
    "h": 247.5
  },
  "luminance": 0.03179
}

Semantic roles & 50–950 ramp

primary

#123451

secondary

#8A5C35

accent

#8D41E7

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#04060A

muted

#797A7C

Preview Lab

Preview with #123451

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

Preview Lab → · Contrast checker → · Palette generator →