#12405A#12405A

#12405A is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.4% C 0.066 H 237.9°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#12405A
RGB	rgb(18, 64, 90)
HSL	hsl(202, 67%, 21%)
HSV	hsv(202, 80%, 35%)
CMYK	cmyk(80%, 28.9%, 0%, 64.7%)
CIE-LAB	lab(25.36, -5.42, -19.93)
CIE-LCH	lch(25.36, 20.65, 254.79°)
OKLab	oklab(35.4% -0.0352 -0.0562)
OKLCH	oklch(35.4% 0.066 237.9)
XYZ	xyz(3.9276, 4.5331, 10.3389)
Luminance	0.0453 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12405A #5A2C12

analogous

#125A50 #12405A #121C5A

triadic

#12405A #5A1240 #405A12

tetradic

#12405A #50125A #5A2C12 #1C5A12

square

#12405A #50125A #5A2C12 #1C5A12

split-complementary

#12405A #5A121C #5A5012

monochromatic

#05121A #081C27 #12405A #1C648D #2689C0

Accessibility & contrast

On white

11.01

#12405A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#12405A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12405A

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12405A	#FFFFFF	#000000	##FFFFFF
##12405A	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#34405B

Deuteranopia (green-blind)

#2A395A

Tritanopia (blue-blind)

#004749

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #12405a;
/* rgb */ color: rgb(18, 64, 90);
/* oklch */ color: oklch(35.4% 0.066 237.9);

Tailwind

colors: {
  custom: {
    50: '#5c7488',
    500: '#12405a',
    950: '#000000',
  },
}

SCSS

$custom: #12405a;
$custom-light: #5c7488;
$custom-dark: #000000;

JSON

{
  "hex": "#12405a",
  "rgb": {
    "r": 18,
    "g": 64,
    "b": 90
  },
  "hsl": {
    "h": 201.667,
    "s": 66.667,
    "l": 21.176
  },
  "oklch": {
    "l": 0.35399,
    "c": 0.06637,
    "h": 237.9
  },
  "luminance": 0.04534
}

Semantic roles & 50–950 ramp

primary

#12405A

secondary

#935735

accent

#7C3EEA

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#04080B

muted

#797B7C

Preview Lab

Preview with #12405A

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

Preview Lab → · Contrast checker → · Palette generator →