#123659#123659

#123659 is a dark, moderate cyan. Relative luminance 0.035; OKLCH L 32.6% C 0.075 H 250.7°. Best body text is #FFFFFF at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#123659
RGB	rgb(18, 54, 89)
HSL	hsl(210, 66%, 21%)
HSV	hsv(210, 80%, 35%)
CMYK	cmyk(79.8%, 39.3%, 0%, 65.1%)
CIE-LAB	lab(21.90, 0.92, -24.72)
CIE-LCH	lch(21.90, 24.74, 272.12°)
OKLab	oklab(32.65% -0.0246 -0.0704)
OKLCH	oklch(32.65% 0.075 250.7)
XYZ	xyz(3.3711, 3.4878, 9.9448)
Luminance	0.0349 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123659 #593512

analogous

#125958 #123659 #121359

triadic

#123659 #591236 #365912

tetradic

#123659 #581259 #593512 #135912

square

#123659 #581259 #593512 #135912

split-complementary

#123659 #591213 #595812

monochromatic

#050F19 #081726 #123659 #1C558C #2774BF

Accessibility & contrast

On white

12.37

#123659 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#123659 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123659

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123659	#FFFFFF	#000000	##FFFFFF
##123659	1.00	12.37	1.70	12.37
#FFFFFF	12.37	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26385A

Deuteranopia (green-blind)

#1B3158

Tritanopia (blue-blind)

#003E43

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #123659;
/* rgb */ color: rgb(18, 54, 89);
/* oklch */ color: oklch(32.6% 0.075 250.7);

Tailwind

colors: {
  custom: {
    50: '#5b6c88',
    500: '#123659',
    950: '#000000',
  },
}

SCSS

$custom: #123659;
$custom-light: #5b6c88;
$custom-dark: #000000;

JSON

{
  "hex": "#123659",
  "rgb": {
    "r": 18,
    "g": 54,
    "b": 89
  },
  "hsl": {
    "h": 209.577,
    "s": 66.355,
    "l": 20.98
  },
  "oklch": {
    "l": 0.32649,
    "c": 0.07455,
    "h": 250.7
  },
  "luminance": 0.03488
}

Semantic roles & 50–950 ramp

primary

#123659

secondary

#926335

accent

#933FE9

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #123659

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

Preview Lab → · Contrast checker → · Palette generator →