#18487C#18487C

#18487C is a dark, moderate cyan. Relative luminance 0.063; OKLCH L 39.8% C 0.102 H 253.3°. Best body text is #FFFFFF at 9.31:1 contrast (WCAG AA passes).

Color values

HEX	#18487C
RGB	rgb(24, 72, 124)
HSL	hsl(211, 68%, 29%)
HSV	hsv(211, 81%, 49%)
CMYK	cmyk(80.6%, 41.9%, 0%, 51.4%)
CIE-LAB	lab(30.12, 3.90, -34.07)
CIE-LCH	lch(30.12, 34.29, 276.53°)
OKLab	oklab(39.83% -0.0292 -0.0974)
OKLCH	oklch(39.83% 0.102 253.3)
XYZ	xyz(6.3308, 6.2834, 19.9440)
Luminance	0.0628 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18487C #7C4C18

analogous

#187A7C #18487C #1A187C

triadic

#18487C #7C1848 #487C18

tetradic

#18487C #7C187A #7C4C18 #187C1A

square

#18487C #7C187A #7C4C18 #187C1A

split-complementary

#18487C #7C1A18 #7A7C18

monochromatic

#050F1A #0E2A49 #18487C #2266AF #3684D8

Accessibility & contrast

On white

9.31

#18487C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#18487C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18487C

9.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18487C	#FFFFFF	#000000	##FFFFFF
##18487C	1.00	9.31	2.26	9.31
#FFFFFF	9.31	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4C7E

Deuteranopia (green-blind)

#1E437B

Tritanopia (blue-blind)

#00545C

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #18487c;
/* rgb */ color: rgb(24, 72, 124);
/* oklch */ color: oklch(39.8% 0.102 253.3);

Tailwind

colors: {
  custom: {
    50: '#657aa2',
    500: '#18487c',
    950: '#000000',
  },
}

SCSS

$custom: #18487c;
$custom-light: #657aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#18487c",
  "rgb": {
    "r": 24,
    "g": 72,
    "b": 124
  },
  "hsl": {
    "h": 211.2,
    "s": 67.568,
    "l": 29.02
  },
  "oklch": {
    "l": 0.39825,
    "c": 0.10166,
    "h": 253.3
  },
  "luminance": 0.06284
}

Semantic roles & 50–950 ramp

primary

#18487C

secondary

#B17A3F

accent

#973DEA

background

#F6F7FA

surface

#EBEDF3

border

#C6C8CD

text

#06090F

muted

#7A7B7F

Preview Lab

Preview with #18487C

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

Preview Lab → · Contrast checker → · Palette generator →