#123663#123663

#123663 is a dark, moderate cyan. Relative luminance 0.037; OKLCH L 33.4% C 0.089 H 255.8°. Best body text is #FFFFFF at 12.11:1 contrast (WCAG AA passes).

Color values

HEX	#123663
RGB	rgb(18, 54, 99)
HSL	hsl(213, 69%, 23%)
HSV	hsv(213, 82%, 39%)
CMYK	cmyk(81.8%, 45.5%, 0%, 61.2%)
CIE-LAB	lab(22.54, 5.15, -30.26)
CIE-LCH	lch(22.54, 30.69, 279.66°)
OKLab	oklab(33.36% -0.022 -0.0866)
OKLCH	oklch(33.36% 0.089 255.8)
XYZ	xyz(3.8199, 3.6673, 12.3085)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123663 #633F12

analogous

#125E63 #123663 #161263

triadic

#123663 #631236 #366312

tetradic

#123663 #63125E #633F12 #126316

square

#123663 #63125E #633F12 #126316

split-complementary

#123663 #631612 #5E6312

monochromatic

#050E1A #091A2F #123663 #1B5297 #256ECB

Accessibility & contrast

On white

12.11

#123663 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#123663 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123663

12.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123663	#FFFFFF	#000000	##FFFFFF
##123663	1.00	12.11	1.73	12.11
#FFFFFF	12.11	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#203A65

Deuteranopia (green-blind)

#113262

Tritanopia (blue-blind)

#004147

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #123663;
/* rgb */ color: rgb(18, 54, 99);
/* oklch */ color: oklch(33.4% 0.089 255.8);

Tailwind

colors: {
  custom: {
    50: '#5e6c90',
    500: '#123663',
    950: '#000000',
  },
}

SCSS

$custom: #123663;
$custom-light: #5e6c90;
$custom-dark: #000000;

JSON

{
  "hex": "#123663",
  "rgb": {
    "r": 18,
    "g": 54,
    "b": 99
  },
  "hsl": {
    "h": 213.333,
    "s": 69.231,
    "l": 22.941
  },
  "oklch": {
    "l": 0.33355,
    "c": 0.08934,
    "h": 255.8
  },
  "luminance": 0.03668
}

Semantic roles & 50–950 ramp

primary

#123663

secondary

#9B6E36

accent

#9E3CEC

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #123663

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

Preview Lab → · Contrast checker → · Palette generator →