#12435A#12435A

#12435A is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.2% C 0.064 H 233.2°. Best body text is #FFFFFF at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#12435A
RGB	rgb(18, 67, 90)
HSL	hsl(199, 67%, 21%)
HSV	hsv(199, 80%, 35%)
CMYK	cmyk(80%, 25.6%, 0%, 64.7%)
CIE-LAB	lab(26.39, -7.35, -18.32)
CIE-LCH	lch(26.39, 19.74, 248.14°)
OKLab	oklab(36.22% -0.0386 -0.0516)
OKLCH	oklch(36.22% 0.064 233.2)
XYZ	xyz(4.1013, 4.8806, 10.3968)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12435A #5A2912

analogous

#125A4D #12435A #121F5A

triadic

#12435A #5A1243 #435A12

tetradic

#12435A #4D125A #5A2912 #1F5A12

square

#12435A #4D125A #5A2912 #1F5A12

split-complementary

#12435A #5A121F #5A4D12

monochromatic

#05131A #081D27 #12435A #1C698D #268FC0

Accessibility & contrast

On white

10.63

#12435A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#12435A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12435A

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12435A	#FFFFFF	#000000	##FFFFFF
##12435A	1.00	10.63	1.98	10.63
#FFFFFF	10.63	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38425B

Deuteranopia (green-blind)

#2E3B5A

Tritanopia (blue-blind)

#00494B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #12435a;
/* rgb */ color: rgb(18, 67, 90);
/* oklch */ color: oklch(36.2% 0.064 233.2);

Tailwind

colors: {
  custom: {
    50: '#5c7788',
    500: '#12435a',
    950: '#000000',
  },
}

SCSS

$custom: #12435a;
$custom-light: #5c7788;
$custom-dark: #000000;

JSON

{
  "hex": "#12435a",
  "rgb": {
    "r": 18,
    "g": 67,
    "b": 90
  },
  "hsl": {
    "h": 199.167,
    "s": 66.667,
    "l": 21.176
  },
  "oklch": {
    "l": 0.36219,
    "c": 0.06439,
    "h": 233.2
  },
  "luminance": 0.04881
}

Semantic roles & 50–950 ramp

primary

#12435A

secondary

#935335

accent

#753EEA

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#04080B

muted

#797B7C

Preview Lab

Preview with #12435A

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

Preview Lab → · Contrast checker → · Palette generator →