#12384B#12384B

#12384B is a dark, muted cyan. Relative luminance 0.035; OKLCH L 32.3% C 0.054 H 233.8°. Best body text is #FFFFFF at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#12384B
RGB	rgb(18, 56, 75)
HSL	hsl(200, 61%, 18%)
HSV	hsv(200, 76%, 29%)
CMYK	cmyk(76%, 25.3%, 0%, 70.6%)
CIE-LAB	lab(21.82, -6.17, -15.56)
CIE-LCH	lch(21.82, 16.74, 248.38°)
OKLab	oklab(32.33% -0.0319 -0.0437)
OKLCH	oklch(32.33% 0.054 233.8)
XYZ	xyz(2.9331, 3.4646, 7.1694)
Luminance	0.0347 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12384B #4B2512

analogous

#124B41 #12384B #121B4B

triadic

#12384B #4B1238 #384B12

tetradic

#12384B #41124B #4B2512 #1B4B12

square

#12384B #41124B #4B2512 #1B4B12

split-complementary

#12384B #4B121B #4B4112

monochromatic

#061219 #06131A #12384B #1E5D7C #2A82AE

Accessibility & contrast

On white

12.40

#12384B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#12384B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12384B

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12384B	#FFFFFF	#000000	##FFFFFF
##12384B	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)

#2F374C

Deuteranopia (green-blind)

#27324B

Tritanopia (blue-blind)

#003D3E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #12384b;
/* rgb */ color: rgb(18, 56, 75);
/* oklch */ color: oklch(32.3% 0.054 233.8);

Tailwind

colors: {
  custom: {
    50: '#586e7d',
    500: '#12384b',
    950: '#000000',
  },
}

SCSS

$custom: #12384b;
$custom-light: #586e7d;
$custom-dark: #000000;

JSON

{
  "hex": "#12384b",
  "rgb": {
    "r": 18,
    "g": 56,
    "b": 75
  },
  "hsl": {
    "h": 200,
    "s": 61.29,
    "l": 18.235
  },
  "oklch": {
    "l": 0.32329,
    "c": 0.05413,
    "h": 233.8
  },
  "luminance": 0.03465
}

Semantic roles & 50–950 ramp

primary

#12384B

secondary

#844F35

accent

#7943E4

background

#F5F6F7

surface

#E9EBEE

border

#C5C6C9

text

#040709

muted

#797A7B

Preview Lab

Preview with #12384B

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

Preview Lab → · Contrast checker → · Palette generator →