#12355E#12355E

#12355E is a dark, moderate cyan. Relative luminance 0.035; OKLCH L 32.7% C 0.083 H 254.5°. Best body text is #FFFFFF at 12.38:1 contrast (WCAG AA passes).

Color values

HEX	#12355E
RGB	rgb(18, 53, 94)
HSL	hsl(212, 68%, 22%)
HSV	hsv(212, 81%, 37%)
CMYK	cmyk(80.9%, 43.6%, 0%, 63.1%)
CIE-LAB	lab(21.88, 3.73, -28.04)
CIE-LCH	lch(21.88, 28.29, 277.58°)
OKLab	oklab(32.74% -0.0222 -0.0801)
OKLCH	oklch(32.74% 0.083 254.5)
XYZ	xyz(3.5422, 3.4826, 11.0730)
Luminance	0.0348 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12355E #5E3B12

analogous

#125B5E #12355E #15125E

triadic

#12355E #5E1235 #355E12

tetradic

#12355E #5E125B #5E3B12 #125E15

square

#12355E #5E125B #5E3B12 #125E15

split-complementary

#12355E #5E1512 #5B5E12

monochromatic

#050E1A #08182B #12355E #1C5291 #266FC5

Accessibility & contrast

On white

12.38

#12355E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#12355E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12355E

12.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12355E	#FFFFFF	#000000	##FFFFFF
##12355E	1.00	12.38	1.70	12.38
#FFFFFF	12.38	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#213860

Deuteranopia (green-blind)

#15315D

Tritanopia (blue-blind)

#003F45

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #12355e;
/* rgb */ color: rgb(18, 53, 94);
/* oklch */ color: oklch(32.7% 0.083 254.5);

Tailwind

colors: {
  custom: {
    50: '#5c6b8c',
    500: '#12355e',
    950: '#000000',
  },
}

SCSS

$custom: #12355e;
$custom-light: #5c6b8c;
$custom-dark: #000000;

JSON

{
  "hex": "#12355e",
  "rgb": {
    "r": 18,
    "g": 53,
    "b": 94
  },
  "hsl": {
    "h": 212.368,
    "s": 67.857,
    "l": 21.961
  },
  "oklch": {
    "l": 0.32737,
    "c": 0.08313,
    "h": 254.5
  },
  "luminance": 0.03483
}

Semantic roles & 50–950 ramp

primary

#12355E

secondary

#966A35

accent

#9B3DEB

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #12355E

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

Preview Lab → · Contrast checker → · Palette generator →