#18477B#18477B

#18477B is a dark, moderate cyan. Relative luminance 0.061; OKLCH L 39.5% C 0.101 H 253.7°. Best body text is #FFFFFF at 9.43:1 contrast (WCAG AA passes).

Color values

HEX	#18477B
RGB	rgb(24, 71, 123)
HSL	hsl(212, 67%, 29%)
HSV	hsv(212, 80%, 48%)
CMYK	cmyk(80.5%, 42.3%, 0%, 51.8%)
CIE-LAB	lab(29.74, 4.17, -34.05)
CIE-LCH	lch(29.74, 34.30, 276.98°)
OKLab	oklab(39.51% -0.0285 -0.0973)
OKLCH	oklch(39.51% 0.101 253.7)
XYZ	xyz(6.2037, 6.1300, 19.5913)
Luminance	0.0613 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18477B #7B4C18

analogous

#18797B #18477B #1B187B

triadic

#18477B #7B1847 #477B18

tetradic

#18477B #7B1879 #7B4C18 #187B1B

square

#18477B #7B1879 #7B4C18 #187B1B

split-complementary

#18477B #7B1B18 #797B18

monochromatic

#050F1A #0E2948 #18477B #2265AE #3683D8

Accessibility & contrast

On white

9.43

#18477B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#18477B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18477B

9.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18477B	#FFFFFF	#000000	##FFFFFF
##18477B	1.00	9.43	2.23	9.43
#FFFFFF	9.43	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4B7D

Deuteranopia (green-blind)

#1D427A

Tritanopia (blue-blind)

#00535B

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #18477b;
/* rgb */ color: rgb(24, 71, 123);
/* oklch */ color: oklch(39.5% 0.101 253.7);

Tailwind

colors: {
  custom: {
    50: '#6579a1',
    500: '#18477b',
    950: '#000000',
  },
}

SCSS

$custom: #18477b;
$custom-light: #6579a1;
$custom-dark: #000000;

JSON

{
  "hex": "#18477b",
  "rgb": {
    "r": 24,
    "g": 71,
    "b": 123
  },
  "hsl": {
    "h": 211.515,
    "s": 67.347,
    "l": 28.824
  },
  "oklch": {
    "l": 0.3951,
    "c": 0.10142,
    "h": 253.7
  },
  "luminance": 0.06131
}

Semantic roles & 50–950 ramp

primary

#18477B

secondary

#B07A3F

accent

#983EEA

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#06090F

muted

#7A7B7F

Preview Lab

Preview with #18477B

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

Preview Lab → · Contrast checker → · Palette generator →