#18406A#18406A

#18406A is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.6% C 0.085 H 252.2°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#18406A
RGB	rgb(24, 64, 106)
HSL	hsl(211, 63%, 25%)
HSV	hsv(211, 77%, 42%)
CMYK	cmyk(77.4%, 39.6%, 0%, 58.4%)
CIE-LAB	lab(26.45, 1.97, -28.53)
CIE-LCH	lch(26.45, 28.60, 273.95°)
OKLab	oklab(36.61% -0.0261 -0.0813)
OKLCH	oklch(36.61% 0.085 252.2)
XYZ	xyz(4.8106, 4.9011, 14.3253)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18406A #6A4218

analogous

#18696A #18406A #19186A

triadic

#18406A #6A1840 #406A18

tetradic

#18406A #6A1869 #6A4218 #186A19

square

#18406A #6A1869 #6A4218 #186A19

split-complementary

#18406A #6A1918 #696A18

monochromatic

#060F19 #0D2238 #18406A #235E9C #2F7CCE

Accessibility & contrast

On white

10.60

#18406A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#18406A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18406A

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18406A	#FFFFFF	#000000	##FFFFFF
##18406A	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D436C

Deuteranopia (green-blind)

#203B69

Tritanopia (blue-blind)

#004A50

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #18406a;
/* rgb */ color: rgb(24, 64, 106);
/* oklch */ color: oklch(36.6% 0.085 252.2);

Tailwind

colors: {
  custom: {
    50: '#617495',
    500: '#18406a',
    950: '#000000',
  },
}

SCSS

$custom: #18406a;
$custom-light: #617495;
$custom-dark: #000000;

JSON

{
  "hex": "#18406a",
  "rgb": {
    "r": 24,
    "g": 64,
    "b": 106
  },
  "hsl": {
    "h": 210.732,
    "s": 63.077,
    "l": 25.49
  },
  "oklch": {
    "l": 0.36606,
    "c": 0.08534,
    "h": 252.2
  },
  "luminance": 0.04902
}

Semantic roles & 50–950 ramp

primary

#18406A

secondary

#A0703E

accent

#9642E6

background

#F6F7F9

surface

#EBEDF1

border

#C6C8CB

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #18406A

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

Preview Lab → · Contrast checker → · Palette generator →