#18427A#18427A

#18427A is a dark, moderate cyan. Relative luminance 0.055; OKLCH L 38.2% C 0.106 H 256.9°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#18427A
RGB	rgb(24, 66, 122)
HSL	hsl(214, 67%, 29%)
HSV	hsv(214, 80%, 48%)
CMYK	cmyk(80.3%, 45.9%, 0%, 52.2%)
CIE-LAB	lab(28.10, 7.17, -36.04)
CIE-LCH	lch(28.10, 36.75, 281.25°)
OKLab	oklab(38.22% -0.0241 -0.1033)
OKLCH	oklch(38.22% 0.106 256.9)
XYZ	xyz(5.8365, 5.4951, 19.1616)
Luminance	0.0550 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18427A #7A5018

analogous

#18737A #18427A #1F187A

triadic

#18427A #7A1842 #427A18

tetradic

#18427A #7A1873 #7A5018 #187A1F

square

#18427A #7A1873 #7A5018 #187A1F

split-complementary

#18427A #7A1F18 #737A18

monochromatic

#050E1A #0E2647 #18427A #225EAD #357BD7

Accessibility & contrast

On white

10.00

#18427A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#18427A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18427A

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18427A	#FFFFFF	#000000	##FFFFFF
##18427A	1.00	10.00	2.10	10.00
#FFFFFF	10.00	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#25477C

Deuteranopia (green-blind)

#123E79

Tritanopia (blue-blind)

#004F58

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #18427a;
/* rgb */ color: rgb(24, 66, 122);
/* oklch */ color: oklch(38.2% 0.106 256.9);

Tailwind

colors: {
  custom: {
    50: '#6575a1',
    500: '#18427a',
    950: '#000000',
  },
}

SCSS

$custom: #18427a;
$custom-light: #6575a1;
$custom-dark: #000000;

JSON

{
  "hex": "#18427a",
  "rgb": {
    "r": 24,
    "g": 66,
    "b": 122
  },
  "hsl": {
    "h": 214.286,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.38218,
    "c": 0.10605,
    "h": 256.9
  },
  "luminance": 0.05496
}

Semantic roles & 50–950 ramp

primary

#18427A

secondary

#AF7F3F

accent

#A03EEA

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080F

muted

#7A7B7E

Preview Lab

Preview with #18427A

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

Preview Lab → · Contrast checker → · Palette generator →