#18435F#18435F

#18435F is a dark, moderate cyan. Relative luminance 0.050; OKLCH L 36.7% C 0.067 H 240.8°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#18435F
RGB	rgb(24, 67, 95)
HSL	hsl(204, 60%, 23%)
HSV	hsv(204, 75%, 37%)
CMYK	cmyk(74.7%, 29.5%, 0%, 62.7%)
CIE-LAB	lab(26.83, -4.43, -20.86)
CIE-LCH	lch(26.83, 21.32, 258.01°)
OKLab	oklab(36.71% -0.0329 -0.0588)
OKLCH	oklch(36.71% 0.067 240.8)
XYZ	xyz(4.4486, 5.0342, 11.5615)
Luminance	0.0503 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18435F #5F3418

analogous

#185F57 #18435F #181F5F

triadic

#18435F #5F1843 #435F18

tetradic

#18435F #57185F #5F3418 #1F5F18

square

#18435F #57185F #5F3418 #1F5F18

split-complementary

#18435F #5F181F #5F5718

monochromatic

#061118 #0C212E #18435F #246590 #3188C1

Accessibility & contrast

On white

10.46

#18435F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#18435F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18435F

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18435F	#FFFFFF	#000000	##FFFFFF
##18435F	1.00	10.46	2.01	10.46
#FFFFFF	10.46	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#364360

Deuteranopia (green-blind)

#2C3C5E

Tritanopia (blue-blind)

#004A4D

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #18435f;
/* rgb */ color: rgb(24, 67, 95);
/* oklch */ color: oklch(36.7% 0.067 240.8);

Tailwind

colors: {
  custom: {
    50: '#5f778c',
    500: '#18435f',
    950: '#000000',
  },
}

SCSS

$custom: #18435f;
$custom-light: #5f778c;
$custom-dark: #000000;

JSON

{
  "hex": "#18435f",
  "rgb": {
    "r": 24,
    "g": 67,
    "b": 95
  },
  "hsl": {
    "h": 203.662,
    "s": 59.664,
    "l": 23.333
  },
  "oklch": {
    "l": 0.36705,
    "c": 0.06743,
    "h": 240.8
  },
  "luminance": 0.05035
}

Semantic roles & 50–950 ramp

primary

#18435F

secondary

#95603D

accent

#8345E3

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #18435F

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

Preview Lab → · Contrast checker → · Palette generator →