#18416B#18416B

#18416B is a dark, moderate cyan. Relative luminance 0.050; OKLCH L 36.9% C 0.086 H 251.7°. Best body text is #FFFFFF at 10.46:1 contrast (WCAG AA passes).

Color values

HEX	#18416B
RGB	rgb(24, 65, 107)
HSL	hsl(210, 63%, 26%)
HSV	hsv(210, 78%, 42%)
CMYK	cmyk(77.6%, 39.3%, 0%, 58%)
CIE-LAB	lab(26.84, 1.70, -28.56)
CIE-LCH	lch(26.84, 28.61, 273.41°)
OKLab	oklab(36.93% -0.0268 -0.0813)
OKLCH	oklch(36.93% 0.086 251.7)
XYZ	xyz(4.9198, 5.0358, 14.6198)
Luminance	0.0504 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18416B #6B4218

analogous

#186A6B #18416B #18186B

triadic

#18416B #6B1841 #416B18

tetradic

#18416B #6B186A #6B4218 #186B18

square

#18416B #6B186A #6B4218 #186B18

split-complementary

#18416B #6B1818 #6A6B18

monochromatic

#060F19 #0D2339 #18416B #235F9D #2E7ECF

Accessibility & contrast

On white

10.46

#18416B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#18416B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18416B

10.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18416B	#FFFFFF	#000000	##FFFFFF
##18416B	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)

#2E446D

Deuteranopia (green-blind)

#213C6A

Tritanopia (blue-blind)

#004B51

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #18416b;
/* rgb */ color: rgb(24, 65, 107);
/* oklch */ color: oklch(36.9% 0.086 251.7);

Tailwind

colors: {
  custom: {
    50: '#617595',
    500: '#18416b',
    950: '#000000',
  },
}

SCSS

$custom: #18416b;
$custom-light: #617595;
$custom-dark: #000000;

JSON

{
  "hex": "#18416b",
  "rgb": {
    "r": 24,
    "g": 65,
    "b": 107
  },
  "hsl": {
    "h": 210.361,
    "s": 63.359,
    "l": 25.686
  },
  "oklch": {
    "l": 0.36927,
    "c": 0.08563,
    "h": 251.7
  },
  "luminance": 0.05036
}

Semantic roles & 50–950 ramp

primary

#18416B

secondary

#A1703E

accent

#9541E6

background

#F6F7F9

surface

#EBEDF2

border

#C6C8CC

text

#06080D

muted

#7A7B7E

Preview Lab

Preview with #18416B

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

Preview Lab → · Contrast checker → · Palette generator →