#12455B#12455B

#12455B is a dark, moderate cyan. Relative luminance 0.051; OKLCH L 36.8% C 0.064 H 231.1°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#12455B
RGB	rgb(18, 69, 91)
HSL	hsl(198, 67%, 21%)
HSV	hsv(198, 80%, 36%)
CMYK	cmyk(80.2%, 24.2%, 0%, 64.3%)
CIE-LAB	lab(27.13, -8.22, -17.83)
CIE-LCH	lch(27.13, 19.63, 245.24°)
OKLab	oklab(36.82% -0.0404 -0.0501)
OKLCH	oklch(36.82% 0.064 231.1)
XYZ	xyz(4.2651, 5.1397, 10.6628)
Luminance	0.0514 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12455B #5B2812

analogous

#125B4D #12455B #12215B

triadic

#12455B #5B1245 #455B12

tetradic

#12455B #4D125B #5B2812 #215B12

square

#12455B #4D125B #5B2812 #215B12

split-complementary

#12455B #5B1221 #5B4D12

monochromatic

#05131A #081E28 #12455B #1C6C8E #2692C1

Accessibility & contrast

On white

10.36

#12455B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#12455B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12455B

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12455B	#FFFFFF	#000000	##FFFFFF
##12455B	1.00	10.36	2.03	10.36
#FFFFFF	10.36	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A445C

Deuteranopia (green-blind)

#303D5B

Tritanopia (blue-blind)

#004B4C

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #12455b;
/* rgb */ color: rgb(18, 69, 91);
/* oklch */ color: oklch(36.8% 0.064 231.1);

Tailwind

colors: {
  custom: {
    50: '#5c7889',
    500: '#12455b',
    950: '#000000',
  },
}

SCSS

$custom: #12455b;
$custom-light: #5c7889;
$custom-dark: #000000;

JSON

{
  "hex": "#12455b",
  "rgb": {
    "r": 18,
    "g": 69,
    "b": 91
  },
  "hsl": {
    "h": 198.082,
    "s": 66.972,
    "l": 21.373
  },
  "oklch": {
    "l": 0.36823,
    "c": 0.06437,
    "h": 231.1
  },
  "luminance": 0.0514
}

Semantic roles & 50–950 ramp

primary

#12455B

secondary

#935235

accent

#723EEA

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#05090B

muted

#797B7C

Preview Lab

Preview with #12455B

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

Preview Lab → · Contrast checker → · Palette generator →