#18475D#18475D

#18475D is a dark, moderate cyan. Relative luminance 0.055; OKLCH L 37.7% C 0.063 H 232.2°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#18475D
RGB	rgb(24, 71, 93)
HSL	hsl(199, 59%, 23%)
HSV	hsv(199, 74%, 36%)
CMYK	cmyk(74.2%, 23.7%, 0%, 63.5%)
CIE-LAB	lab(28.09, -7.76, -17.61)
CIE-LCH	lch(28.09, 19.25, 246.22°)
OKLab	oklab(37.67% -0.0383 -0.0494)
OKLCH	oklch(37.67% 0.063 232.2)
XYZ	xyz(4.6049, 5.4905, 11.1709)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18475D #5D2E18

analogous

#185D50 #18475D #18255D

triadic

#18475D #5D1847 #475D18

tetradic

#18475D #50185D #5D2E18 #255D18

square

#18475D #50185D #5D2E18 #255D18

split-complementary

#18475D #5D1825 #5D5018

monochromatic

#061318 #0B222C #18475D #256C8E #3191BE

Accessibility & contrast

On white

10.01

#18475D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#18475D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18475D

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18475D	#FFFFFF	#000000	##FFFFFF
##18475D	1.00	10.01	2.10	10.01
#FFFFFF	10.01	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C465E

Deuteranopia (green-blind)

#333F5D

Tritanopia (blue-blind)

#004D4E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #18475d;
/* rgb */ color: rgb(24, 71, 93);
/* oklch */ color: oklch(37.7% 0.063 232.2);

Tailwind

colors: {
  custom: {
    50: '#5f7a8b',
    500: '#18475d',
    950: '#000000',
  },
}

SCSS

$custom: #18475d;
$custom-light: #5f7a8b;
$custom-dark: #000000;

JSON

{
  "hex": "#18475d",
  "rgb": {
    "r": 24,
    "g": 71,
    "b": 93
  },
  "hsl": {
    "h": 199.13,
    "s": 58.974,
    "l": 22.941
  },
  "oklch": {
    "l": 0.37671,
    "c": 0.06254,
    "h": 232.2
  },
  "luminance": 0.05491
}

Semantic roles & 50–950 ramp

primary

#18475D

secondary

#93593D

accent

#7846E2

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05090C

muted

#797B7D

Preview Lab

Preview with #18475D

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

Preview Lab → · Contrast checker → · Palette generator →