#12355F#12355F

#12355F is a dark, moderate cyan. Relative luminance 0.035; OKLCH L 32.8% C 0.085 H 255.0°. Best body text is #FFFFFF at 12.35:1 contrast (WCAG AA passes).

Color values

HEX	#12355F
RGB	rgb(18, 53, 95)
HSL	hsl(213, 68%, 22%)
HSV	hsv(213, 81%, 37%)
CMYK	cmyk(81.1%, 44.2%, 0%, 62.7%)
CIE-LAB	lab(21.95, 4.16, -28.59)
CIE-LCH	lch(21.95, 28.89, 278.27°)
OKLab	oklab(32.81% -0.0219 -0.0817)
OKLCH	oklch(32.81% 0.085 255)
XYZ	xyz(3.5873, 3.5006, 11.3109)
Luminance	0.0350 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12355F #5F3C12

analogous

#125C5F #12355F #15125F

triadic

#12355F #5F1235 #355F12

tetradic

#12355F #5F125C #5F3C12 #125F15

square

#12355F #5F125C #5F3C12 #125F15

split-complementary

#12355F #5F1512 #5C5F12

monochromatic

#050E1A #08182C #12355F #1C5292 #256EC6

Accessibility & contrast

On white

12.35

#12355F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#12355F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12355F

12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12355F	#FFFFFF	#000000	##FFFFFF
##12355F	1.00	12.35	1.70	12.35
#FFFFFF	12.35	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#213861

Deuteranopia (green-blind)

#14315E

Tritanopia (blue-blind)

#003F45

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #12355f;
/* rgb */ color: rgb(18, 53, 95);
/* oklch */ color: oklch(32.8% 0.085 255.0);

Tailwind

colors: {
  custom: {
    50: '#5d6b8d',
    500: '#12355f',
    950: '#000000',
  },
}

SCSS

$custom: #12355f;
$custom-light: #5d6b8d;
$custom-dark: #000000;

JSON

{
  "hex": "#12355f",
  "rgb": {
    "r": 18,
    "g": 53,
    "b": 95
  },
  "hsl": {
    "h": 212.727,
    "s": 68.142,
    "l": 22.157
  },
  "oklch": {
    "l": 0.32809,
    "c": 0.08463,
    "h": 255
  },
  "luminance": 0.03501
}

Semantic roles & 50–950 ramp

primary

#12355F

secondary

#976B36

accent

#9C3DEB

background

#F5F6F8

surface

#E9EBF0

border

#C5C6CB

text

#05060C

muted

#797A7D

Preview Lab

Preview with #12355F

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

Preview Lab → · Contrast checker → · Palette generator →