#12455D#12455D

#12455D is a dark, moderate cyan. Relative luminance 0.052; OKLCH L 36.9% C 0.066 H 233.5°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#12455D
RGB	rgb(18, 69, 93)
HSL	hsl(199, 68%, 22%)
HSV	hsv(199, 81%, 36%)
CMYK	cmyk(80.6%, 25.8%, 0%, 63.5%)
CIE-LAB	lab(27.23, -7.44, -18.97)
CIE-LCH	lch(27.23, 20.37, 248.59°)
OKLab	oklab(36.93% -0.0396 -0.0534)
OKLCH	oklch(36.93% 0.066 233.5)
XYZ	xyz(4.3526, 5.1746, 11.1232)
Luminance	0.0517 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12455D #5D2A12

analogous

#125D50 #12455D #12205D

triadic

#12455D #5D1245 #455D12

tetradic

#12455D #50125D #5D2A12 #205D12

square

#12455D #50125D #5D2A12 #205D12

split-complementary

#12455D #5D1220 #5D5012

monochromatic

#05131A #081F2A #12455D #1C6B90 #2691C4

Accessibility & contrast

On white

10.32

#12455D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#12455D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12455D

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12455D	#FFFFFF	#000000	##FFFFFF
##12455D	1.00	10.32	2.04	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39445E

Deuteranopia (green-blind)

#2F3D5D

Tritanopia (blue-blind)

#004B4D

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #12455d;
/* rgb */ color: rgb(18, 69, 93);
/* oklch */ color: oklch(36.9% 0.066 233.5);

Tailwind

colors: {
  custom: {
    50: '#5d788b',
    500: '#12455d',
    950: '#000000',
  },
}

SCSS

$custom: #12455d;
$custom-light: #5d788b;
$custom-dark: #000000;

JSON

{
  "hex": "#12455d",
  "rgb": {
    "r": 18,
    "g": 69,
    "b": 93
  },
  "hsl": {
    "h": 199.2,
    "s": 67.568,
    "l": 21.765
  },
  "oklch": {
    "l": 0.36933,
    "c": 0.06648,
    "h": 233.5
  },
  "luminance": 0.05175
}

Semantic roles & 50–950 ramp

primary

#12455D

secondary

#955435

accent

#753DEA

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#05090C

muted

#797B7D

Preview Lab

Preview with #12455D

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

Preview Lab → · Contrast checker → · Palette generator →