#12405E#12405E

#12405E is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.6% C 0.071 H 241.8°. Best body text is #FFFFFF at 10.93:1 contrast (WCAG AA passes).

Color values

HEX	#12405E
RGB	rgb(18, 64, 94)
HSL	hsl(204, 68%, 22%)
HSV	hsv(204, 81%, 37%)
CMYK	cmyk(80.9%, 31.9%, 0%, 63.1%)
CIE-LAB	lab(25.57, -3.80, -22.20)
CIE-LCH	lch(25.57, 22.52, 260.28°)
OKLab	oklab(35.64% -0.0337 -0.0628)
OKLCH	oklch(35.64% 0.071 241.8)
XYZ	xyz(4.1024, 4.6031, 11.2598)
Luminance	0.0460 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12405E #5E3012

analogous

#125E56 #12405E #121A5E

triadic

#12405E #5E1240 #405E12

tetradic

#12405E #56125E #5E3012 #1A5E12

square

#12405E #56125E #5E3012 #1A5E12

split-complementary

#12405E #5E121A #5E5612

monochromatic

#05111A #081D2B #12405E #1C6391 #2686C5

Accessibility & contrast

On white

10.93

#12405E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#12405E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12405E

10.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12405E	#FFFFFF	#000000	##FFFFFF
##12405E	1.00	10.93	1.92	10.93
#FFFFFF	10.93	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#32415F

Deuteranopia (green-blind)

#28395D

Tritanopia (blue-blind)

#00474B

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #12405e;
/* rgb */ color: rgb(18, 64, 94);
/* oklch */ color: oklch(35.6% 0.071 241.8);

Tailwind

colors: {
  custom: {
    50: '#5d748c',
    500: '#12405e',
    950: '#000000',
  },
}

SCSS

$custom: #12405e;
$custom-light: #5d748c;
$custom-dark: #000000;

JSON

{
  "hex": "#12405e",
  "rgb": {
    "r": 18,
    "g": 64,
    "b": 94
  },
  "hsl": {
    "h": 203.684,
    "s": 67.857,
    "l": 21.961
  },
  "oklch": {
    "l": 0.35636,
    "c": 0.07132,
    "h": 241.8
  },
  "luminance": 0.04604
}

Semantic roles & 50–950 ramp

primary

#12405E

secondary

#965C35

accent

#823DEB

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #12405E

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

Preview Lab → · Contrast checker → · Palette generator →