#18425D#18425D

#18425D is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.3% C 0.066 H 240.3°. Best body text is #FFFFFF at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#18425D
RGB	rgb(24, 66, 93)
HSL	hsl(203, 59%, 23%)
HSV	hsv(203, 74%, 36%)
CMYK	cmyk(74.2%, 29%, 0%, 63.5%)
CIE-LAB	lab(26.39, -4.56, -20.25)
CIE-LCH	lch(26.39, 20.76, 257.31°)
OKLab	oklab(36.32% -0.0325 -0.0571)
OKLCH	oklch(36.32% 0.066 240.3)
XYZ	xyz(4.2999, 4.8805, 11.0692)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18425D #5D3318

analogous

#185D55 #18425D #18205D

triadic

#18425D #5D1842 #425D18

tetradic

#18425D #55185D #5D3318 #205D18

square

#18425D #55185D #5D3318 #205D18

split-complementary

#18425D #5D1820 #5D5518

monochromatic

#061118 #0B1F2C #18425D #25658E #3187BE

Accessibility & contrast

On white

10.63

#18425D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#18425D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18425D

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18425D	#FFFFFF	#000000	##FFFFFF
##18425D	1.00	10.63	1.98	10.63
#FFFFFF	10.63	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#36425E

Deuteranopia (green-blind)

#2C3B5D

Tritanopia (blue-blind)

#00494B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #18425d;
/* rgb */ color: rgb(24, 66, 93);
/* oklch */ color: oklch(36.3% 0.066 240.3);

Tailwind

colors: {
  custom: {
    50: '#5f768b',
    500: '#18425d',
    950: '#000000',
  },
}

SCSS

$custom: #18425d;
$custom-light: #5f768b;
$custom-dark: #000000;

JSON

{
  "hex": "#18425d",
  "rgb": {
    "r": 24,
    "g": 66,
    "b": 93
  },
  "hsl": {
    "h": 203.478,
    "s": 58.974,
    "l": 22.941
  },
  "oklch": {
    "l": 0.36322,
    "c": 0.06572,
    "h": 240.3
  },
  "luminance": 0.04881
}

Semantic roles & 50–950 ramp

primary

#18425D

secondary

#935F3D

accent

#8346E2

background

#F5F7F8

surface

#EAEDF0

border

#C6C8CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #18425D

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

Preview Lab → · Contrast checker → · Palette generator →