#12435B#12435B

#12435B is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.3% C 0.065 H 234.4°. Best body text is #FFFFFF at 10.61:1 contrast (WCAG AA passes).

Color values

HEX	#12435B
RGB	rgb(18, 67, 91)
HSL	hsl(200, 67%, 21%)
HSV	hsv(200, 80%, 36%)
CMYK	cmyk(80.2%, 26.4%, 0%, 64.3%)
CIE-LAB	lab(26.44, -6.95, -18.89)
CIE-LCH	lch(26.44, 20.13, 249.79°)
OKLab	oklab(36.28% -0.0382 -0.0532)
OKLCH	oklch(36.28% 0.065 234.4)
XYZ	xyz(4.1442, 4.8978, 10.6224)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12435B #5B2A12

analogous

#125B4F #12435B #121F5B

triadic

#12435B #5B1243 #435B12

tetradic

#12435B #4F125B #5B2A12 #1F5B12

square

#12435B #4F125B #5B2A12 #1F5B12

split-complementary

#12435B #5B121F #5B4F12

monochromatic

#05131A #081D28 #12435B #1C698E #268EC1

Accessibility & contrast

On white

10.61

#12435B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#12435B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12435B

10.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12435B	#FFFFFF	#000000	##FFFFFF
##12435B	1.00	10.61	1.98	10.61
#FFFFFF	10.61	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#37425C

Deuteranopia (green-blind)

#2D3B5B

Tritanopia (blue-blind)

#00494B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #12435b;
/* rgb */ color: rgb(18, 67, 91);
/* oklch */ color: oklch(36.3% 0.065 234.4);

Tailwind

colors: {
  custom: {
    50: '#5c7789',
    500: '#12435b',
    950: '#000000',
  },
}

SCSS

$custom: #12435b;
$custom-light: #5c7789;
$custom-dark: #000000;

JSON

{
  "hex": "#12435b",
  "rgb": {
    "r": 18,
    "g": 67,
    "b": 91
  },
  "hsl": {
    "h": 199.726,
    "s": 66.972,
    "l": 21.373
  },
  "oklch": {
    "l": 0.36275,
    "c": 0.06549,
    "h": 234.4
  },
  "luminance": 0.04898
}

Semantic roles & 50–950 ramp

primary

#12435B

secondary

#935435

accent

#763EEA

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#05080B

muted

#797B7C

Preview Lab

Preview with #12435B

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

Preview Lab → · Contrast checker → · Palette generator →