#12455A#12455A

#12455A is a dark, moderate cyan. Relative luminance 0.051; OKLCH L 36.8% C 0.063 H 229.9°. Best body text is #FFFFFF at 10.37:1 contrast (WCAG AA passes).

Color values

HEX	#12455A
RGB	rgb(18, 69, 90)
HSL	hsl(198, 67%, 21%)
HSV	hsv(198, 80%, 35%)
CMYK	cmyk(80%, 23.3%, 0%, 64.7%)
CIE-LAB	lab(27.08, -8.61, -17.25)
CIE-LCH	lch(27.08, 19.28, 243.47°)
OKLab	oklab(36.77% -0.0408 -0.0485)
OKLCH	oklch(36.77% 0.063 229.9)
XYZ	xyz(4.2223, 5.1225, 10.4371)
Luminance	0.0512 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12455A #5A2712

analogous

#125A4B #12455A #12215A

triadic

#12455A #5A1245 #455A12

tetradic

#12455A #4B125A #5A2712 #215A12

square

#12455A #4B125A #5A2712 #215A12

split-complementary

#12455A #5A1221 #5A4B12

monochromatic

#05141A #081E27 #12455A #1C6C8D #2693C0

Accessibility & contrast

On white

10.37

#12455A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#12455A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12455A

10.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12455A	#FFFFFF	#000000	##FFFFFF
##12455A	1.00	10.37	2.02	10.37
#FFFFFF	10.37	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A445B

Deuteranopia (green-blind)

#313D5A

Tritanopia (blue-blind)

#004B4C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #12455a;
/* rgb */ color: rgb(18, 69, 90);
/* oklch */ color: oklch(36.8% 0.063 229.9);

Tailwind

colors: {
  custom: {
    50: '#5c7888',
    500: '#12455a',
    950: '#000000',
  },
}

SCSS

$custom: #12455a;
$custom-light: #5c7888;
$custom-dark: #000000;

JSON

{
  "hex": "#12455a",
  "rgb": {
    "r": 18,
    "g": 69,
    "b": 90
  },
  "hsl": {
    "h": 197.5,
    "s": 66.667,
    "l": 21.176
  },
  "oklch": {
    "l": 0.36769,
    "c": 0.06336,
    "h": 229.9
  },
  "luminance": 0.05123
}

Semantic roles & 50–950 ramp

primary

#12455A

secondary

#935035

accent

#703EEA

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#05090B

muted

#797B7C

Preview Lab

Preview with #12455A

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

Preview Lab → · Contrast checker → · Palette generator →