#18437C#18437C

#18437C is a dark, moderate cyan. Relative luminance 0.057; OKLCH L 38.6% C 0.108 H 256.8°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#18437C
RGB	rgb(24, 67, 124)
HSL	hsl(214, 68%, 29%)
HSV	hsv(214, 81%, 49%)
CMYK	cmyk(80.6%, 46%, 0%, 51.4%)
CIE-LAB	lab(28.55, 7.31, -36.58)
CIE-LCH	lch(28.55, 37.31, 281.29°)
OKLab	oklab(38.61% -0.0246 -0.1048)
OKLCH	oklch(38.61% 0.108 256.8)
XYZ	xyz(6.0206, 5.6630, 19.8406)
Luminance	0.0566 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18437C #7C5118

analogous

#18757C #18437C #1F187C

triadic

#18437C #7C1843 #437C18

tetradic

#18437C #7C1875 #7C5118 #187C1F

square

#18437C #7C1875 #7C5118 #187C1F

split-complementary

#18437C #7C1F18 #757C18

monochromatic

#050E1A #0E2749 #18437C #225FAF #367CD8

Accessibility & contrast

On white

9.85

#18437C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#18437C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18437C

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18437C	#FFFFFF	#000000	##FFFFFF
##18437C	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#26487E

Deuteranopia (green-blind)

#113F7B

Tritanopia (blue-blind)

#005159

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #18437c;
/* rgb */ color: rgb(24, 67, 124);
/* oklch */ color: oklch(38.6% 0.108 256.8);

Tailwind

colors: {
  custom: {
    50: '#6576a2',
    500: '#18437c',
    950: '#000000',
  },
}

SCSS

$custom: #18437c;
$custom-light: #6576a2;
$custom-dark: #000000;

JSON

{
  "hex": "#18437c",
  "rgb": {
    "r": 24,
    "g": 67,
    "b": 124
  },
  "hsl": {
    "h": 214.2,
    "s": 67.568,
    "l": 29.02
  },
  "oklch": {
    "l": 0.38605,
    "c": 0.1077,
    "h": 256.8
  },
  "luminance": 0.05664
}

Semantic roles & 50–950 ramp

primary

#18437C

secondary

#B1803F

accent

#A03DEA

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#06080F

muted

#7A7B7F

Preview Lab

Preview with #18437C

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

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