#18435E#18435E

#18435E is a dark, moderate cyan. Relative luminance 0.050; OKLCH L 36.6% C 0.066 H 239.8°. Best body text is #FFFFFF at 10.48:1 contrast (WCAG AA passes).

Color values

HEX	#18435E
RGB	rgb(24, 67, 94)
HSL	hsl(203, 59%, 23%)
HSV	hsv(203, 74%, 37%)
CMYK	cmyk(74.5%, 28.7%, 0%, 63.1%)
CIE-LAB	lab(26.78, -4.82, -20.29)
CIE-LCH	lch(26.78, 20.86, 256.63°)
OKLab	oklab(36.65% -0.0333 -0.0572)
OKLCH	oklch(36.65% 0.066 239.8)
XYZ	xyz(4.4034, 5.0162, 11.3237)
Luminance	0.0502 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18435E #5E3318

analogous

#185E56 #18435E #18205E

triadic

#18435E #5E1843 #435E18

tetradic

#18435E #56185E #5E3318 #205E18

square

#18435E #56185E #5E3318 #205E18

split-complementary

#18435E #5E1820 #5E5618

monochromatic

#061118 #0C202D #18435E #24668F #3188C0

Accessibility & contrast

On white

10.48

#18435E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#18435E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18435E

10.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18435E	#FFFFFF	#000000	##FFFFFF
##18435E	1.00	10.48	2.00	10.48
#FFFFFF	10.48	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36435F

Deuteranopia (green-blind)

#2D3C5E

Tritanopia (blue-blind)

#004A4C

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #18435e;
/* rgb */ color: rgb(24, 67, 94);
/* oklch */ color: oklch(36.6% 0.066 239.8);

Tailwind

colors: {
  custom: {
    50: '#5f778b',
    500: '#18435e',
    950: '#000000',
  },
}

SCSS

$custom: #18435e;
$custom-light: #5f778b;
$custom-dark: #000000;

JSON

{
  "hex": "#18435e",
  "rgb": {
    "r": 24,
    "g": 67,
    "b": 94
  },
  "hsl": {
    "h": 203.143,
    "s": 59.322,
    "l": 23.137
  },
  "oklch": {
    "l": 0.36647,
    "c": 0.06619,
    "h": 239.8
  },
  "luminance": 0.05017
}

Semantic roles & 50–950 ramp

primary

#18435E

secondary

#945F3D

accent

#8245E3

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #18435E

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

Preview Lab → · Contrast checker → · Palette generator →