#123356#123356

#123356 is a dark, moderate cyan. Relative luminance 0.032; OKLCH L 31.7% C 0.074 H 252.4°. Best body text is #FFFFFF at 12.86:1 contrast (WCAG AA passes).

Color values

HEX	#123356
RGB	rgb(18, 51, 86)
HSL	hsl(211, 65%, 20%)
HSV	hsv(211, 79%, 34%)
CMYK	cmyk(79.1%, 40.7%, 0%, 66.3%)
CIE-LAB	lab(20.70, 1.76, -24.64)
CIE-LCH	lch(20.70, 24.70, 274.08°)
OKLab	oklab(31.65% -0.0223 -0.0702)
OKLCH	oklch(31.65% 0.074 252.4)
XYZ	xyz(3.1124, 3.1678, 9.2497)
Luminance	0.0317 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#123356 #563512

analogous

#125556 #123356 #131256

triadic

#123356 #561233 #335612

tetradic

#123356 #561255 #563512 #125613

square

#123356 #561255 #563512 #125613

split-complementary

#123356 #561312 #555612

monochromatic

#050F19 #071523 #123356 #1D5189 #276FBB

Accessibility & contrast

On white

12.86

#123356 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#123356 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #123356

12.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##123356	#FFFFFF	#000000	##FFFFFF
##123356	1.00	12.86	1.63	12.86
#FFFFFF	12.86	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#233557

Deuteranopia (green-blind)

#192F55

Tritanopia (blue-blind)

#003B40

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #123356;
/* rgb */ color: rgb(18, 51, 86);
/* oklch */ color: oklch(31.7% 0.074 252.4);

Tailwind

colors: {
  custom: {
    50: '#5a6a86',
    500: '#123356',
    950: '#000000',
  },
}

SCSS

$custom: #123356;
$custom-light: #5a6a86;
$custom-dark: #000000;

JSON

{
  "hex": "#123356",
  "rgb": {
    "r": 18,
    "g": 51,
    "b": 86
  },
  "hsl": {
    "h": 210.882,
    "s": 65.385,
    "l": 20.392
  },
  "oklch": {
    "l": 0.31652,
    "c": 0.07362,
    "h": 252.4
  },
  "luminance": 0.03168
}

Semantic roles & 50–950 ramp

primary

#123356

secondary

#8F6335

accent

#963FE8

background

#F5F6F8

surface

#E9EBEF

border

#C5C6CA

text

#04060B

muted

#797A7C

Preview Lab

Preview with #123356

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

Preview Lab → · Contrast checker → · Palette generator →