#12355D#12355D

#12355D is a dark, moderate cyan. Relative luminance 0.035; OKLCH L 32.7% C 0.082 H 254.0°. Best body text is #FFFFFF at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#12355D
RGB	rgb(18, 53, 93)
HSL	hsl(212, 68%, 22%)
HSV	hsv(212, 81%, 36%)
CMYK	cmyk(80.6%, 43%, 0%, 63.5%)
CIE-LAB	lab(21.82, 3.31, -27.49)
CIE-LCH	lch(21.82, 27.69, 276.86°)
OKLab	oklab(32.67% -0.0225 -0.0785)
OKLCH	oklch(32.67% 0.082 254)
XYZ	xyz(3.4976, 3.4647, 10.8382)
Luminance	0.0347 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12355D #5D3A12

analogous

#125B5D #12355D #15125D

triadic

#12355D #5D1235 #355D12

tetradic

#12355D #5D125B #5D3A12 #125D15

square

#12355D #5D125B #5D3A12 #125D15

split-complementary

#12355D #5D1512 #5B5D12

monochromatic

#050F1A #08182A #12355D #1C5290 #266FC4

Accessibility & contrast

On white

12.40

#12355D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#12355D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12355D

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12355D	#FFFFFF	#000000	##FFFFFF
##12355D	1.00	12.40	1.69	12.40
#FFFFFF	12.40	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22385F

Deuteranopia (green-blind)

#16315C

Tritanopia (blue-blind)

#003E44

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #12355d;
/* rgb */ color: rgb(18, 53, 93);
/* oklch */ color: oklch(32.7% 0.082 254.0);

Tailwind

colors: {
  custom: {
    50: '#5c6b8b',
    500: '#12355d',
    950: '#000000',
  },
}

SCSS

$custom: #12355d;
$custom-light: #5c6b8b;
$custom-dark: #000000;

JSON

{
  "hex": "#12355d",
  "rgb": {
    "r": 18,
    "g": 53,
    "b": 93
  },
  "hsl": {
    "h": 212,
    "s": 67.568,
    "l": 21.765
  },
  "oklch": {
    "l": 0.32665,
    "c": 0.08164,
    "h": 254
  },
  "luminance": 0.03465
}

Semantic roles & 50–950 ramp

primary

#12355D

secondary

#956935

accent

#9A3DEA

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #12355D

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

Preview Lab → · Contrast checker → · Palette generator →