#18437A#18437A

#18437A is a dark, moderate cyan. Relative luminance 0.056; OKLCH L 38.5% C 0.105 H 256.2°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#18437A
RGB	rgb(24, 67, 122)
HSL	hsl(214, 67%, 29%)
HSV	hsv(214, 80%, 48%)
CMYK	cmyk(80.3%, 45.1%, 0%, 52.2%)
CIE-LAB	lab(28.41, 6.48, -35.54)
CIE-LCH	lch(28.41, 36.13, 280.34°)
OKLab	oklab(38.46% -0.025 -0.1018)
OKLCH	oklch(38.46% 0.105 256.2)
XYZ	xyz(5.8954, 5.6130, 19.1813)
Luminance	0.0561 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18437A #7A4F18

analogous

#18747A #18437A #1E187A

triadic

#18437A #7A1843 #437A18

tetradic

#18437A #7A1874 #7A4F18 #187A1E

square

#18437A #7A1874 #7A4F18 #187A1E

split-complementary

#18437A #7A1E18 #747A18

monochromatic

#050E1A #0E2747 #18437A #225FAD #357CD7

Accessibility & contrast

On white

9.89

#18437A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#18437A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18437A

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18437A	#FFFFFF	#000000	##FFFFFF
##18437A	1.00	9.89	2.12	9.89
#FFFFFF	9.89	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27487C

Deuteranopia (green-blind)

#153F79

Tritanopia (blue-blind)

#005058

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #18437a;
/* rgb */ color: rgb(24, 67, 122);
/* oklch */ color: oklch(38.5% 0.105 256.2);

Tailwind

colors: {
  custom: {
    50: '#6576a1',
    500: '#18437a',
    950: '#000000',
  },
}

SCSS

$custom: #18437a;
$custom-light: #6576a1;
$custom-dark: #000000;

JSON

{
  "hex": "#18437a",
  "rgb": {
    "r": 24,
    "g": 67,
    "b": 122
  },
  "hsl": {
    "h": 213.673,
    "s": 67.123,
    "l": 28.627
  },
  "oklch": {
    "l": 0.3846,
    "c": 0.10481,
    "h": 256.2
  },
  "luminance": 0.05614
}

Semantic roles & 50–950 ramp

primary

#18437A

secondary

#AF7E3F

accent

#9E3EEA

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080F

muted

#7A7B7E

Preview Lab

Preview with #18437A

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

Preview Lab → · Contrast checker → · Palette generator →