#18435A#18435A

#18435A is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.4% C 0.061 H 235.5°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#18435A
RGB	rgb(24, 67, 90)
HSL	hsl(201, 58%, 22%)
HSV	hsv(201, 73%, 35%)
CMYK	cmyk(73.3%, 25.6%, 0%, 64.7%)
CIE-LAB	lab(26.58, -6.37, -18.02)
CIE-LCH	lch(26.58, 19.11, 250.53°)
OKLab	oklab(36.42% -0.0348 -0.0506)
OKLCH	oklch(36.42% 0.061 235.5)
XYZ	xyz(4.2286, 4.9462, 10.4027)
Luminance	0.0495 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18435A #5A2F18

analogous

#185A50 #18435A #18225A

triadic

#18435A #5A1843 #435A18

tetradic

#18435A #50185A #5A2F18 #225A18

square

#18435A #50185A #5A2F18 #225A18

split-complementary

#18435A #5A1822 #5A5018

monochromatic

#061218 #0B1F2A #18435A #25678A #328BBB

Accessibility & contrast

On white

10.56

#18435A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#18435A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18435A

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18435A	#FFFFFF	#000000	##FFFFFF
##18435A	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#38435B

Deuteranopia (green-blind)

#2F3C5A

Tritanopia (blue-blind)

#00494B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #18435a;
/* rgb */ color: rgb(24, 67, 90);
/* oklch */ color: oklch(36.4% 0.061 235.5);

Tailwind

colors: {
  custom: {
    50: '#5e7788',
    500: '#18435a',
    950: '#000000',
  },
}

SCSS

$custom: #18435a;
$custom-light: #5e7788;
$custom-dark: #000000;

JSON

{
  "hex": "#18435a",
  "rgb": {
    "r": 24,
    "g": 67,
    "b": 90
  },
  "hsl": {
    "h": 200.909,
    "s": 57.895,
    "l": 22.353
  },
  "oklch": {
    "l": 0.36423,
    "c": 0.06146,
    "h": 235.5
  },
  "luminance": 0.04947
}

Semantic roles & 50–950 ramp

primary

#18435A

secondary

#915A3D

accent

#7C47E1

background

#F5F7F8

surface

#E9EDF0

border

#C5C8CB

text

#05080B

muted

#797B7C

Preview Lab

Preview with #18435A

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

Preview Lab → · Contrast checker → · Palette generator →