#123453#123453

#123453 is a dark, moderate cyan. Relative luminance 0.032; OKLCH L 31.7% C 0.068 H 249.1°. Best body text is #FFFFFF at 12.79:1 contrast (WCAG AA passes).

Color values

HEX	#123453
RGB	rgb(18, 52, 83)
HSL	hsl(209, 64%, 20%)
HSV	hsv(209, 78%, 33%)
CMYK	cmyk(78.3%, 37.3%, 0%, 67.5%)
CIE-LAB	lab(20.86, -0.20, -22.39)
CIE-LCH	lch(20.86, 22.39, 269.48°)
OKLab	oklab(31.72% -0.0243 -0.0636)
OKLCH	oklch(31.72% 0.068 249.1)
XYZ	xyz(3.0382, 3.2088, 8.6412)
Luminance	0.0321 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123453 #533112

analogous

#125351 #123453 #121453

triadic

#123453 #531234 #345312

tetradic

#123453 #511253 #533112 #145312

square

#123453 #511253 #533112 #145312

split-complementary

#123453 #531214 #535112

monochromatic

#051019 #071421 #123453 #1D5485 #2873B8

Accessibility & contrast

On white

12.79

#123453 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#123453 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123453

12.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123453	#FFFFFF	#000000	##FFFFFF
##123453	1.00	12.79	1.64	12.79
#FFFFFF	12.79	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#263654

Deuteranopia (green-blind)

#1D2F52

Tritanopia (blue-blind)

#003B3F

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #123453;
/* rgb */ color: rgb(18, 52, 83);
/* oklch */ color: oklch(31.7% 0.068 249.1);

Tailwind

colors: {
  custom: {
    50: '#5a6b83',
    500: '#123453',
    950: '#000000',
  },
}

SCSS

$custom: #123453;
$custom-light: #5a6b83;
$custom-dark: #000000;

JSON

{
  "hex": "#123453",
  "rgb": {
    "r": 18,
    "g": 52,
    "b": 83
  },
  "hsl": {
    "h": 208.615,
    "s": 64.356,
    "l": 19.804
  },
  "oklch": {
    "l": 0.31716,
    "c": 0.06807,
    "h": 249.1
  },
  "luminance": 0.03209
}

Semantic roles & 50–950 ramp

primary

#123453

secondary

#8C5E35

accent

#9040E7

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04060A

muted

#797A7C

Preview Lab

Preview with #123453

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

Preview Lab → · Contrast checker → · Palette generator →