#183863#183863

#183863 is a dark, moderate cyan. Relative luminance 0.039; OKLCH L 34.1% C 0.085 H 256.6°. Best body text is #FFFFFF at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#183863
RGB	rgb(24, 56, 99)
HSL	hsl(214, 61%, 24%)
HSV	hsv(214, 76%, 39%)
CMYK	cmyk(75.8%, 43.4%, 0%, 61.2%)
CIE-LAB	lab(23.42, 4.63, -28.85)
CIE-LCH	lch(23.42, 29.22, 279.13°)
OKLab	oklab(34.1% -0.0196 -0.0823)
OKLCH	oklch(34.1% 0.085 256.6)
XYZ	xyz(4.0422, 3.9230, 12.3461)
Luminance	0.0392 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183863 #634318

analogous

#185E63 #183863 #1E1863

triadic

#183863 #631838 #386318

tetradic

#183863 #63185E #634318 #18631E

square

#183863 #63185E #634318 #18631E

split-complementary

#183863 #631E18 #5E6318

monochromatic

#060E19 #0C1C32 #183863 #245494 #3070C6

Accessibility & contrast

On white

11.77

#183863 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#183863 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183863

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183863	#FFFFFF	#000000	##FFFFFF
##183863	1.00	11.77	1.78	11.77
#FFFFFF	11.77	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#243C65

Deuteranopia (green-blind)

#183562

Tritanopia (blue-blind)

#004248

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #183863;
/* rgb */ color: rgb(24, 56, 99);
/* oklch */ color: oklch(34.1% 0.085 256.6);

Tailwind

colors: {
  custom: {
    50: '#606e90',
    500: '#183863',
    950: '#000000',
  },
}

SCSS

$custom: #183863;
$custom-light: #606e90;
$custom-dark: #000000;

JSON

{
  "hex": "#183863",
  "rgb": {
    "r": 24,
    "g": 56,
    "b": 99
  },
  "hsl": {
    "h": 214.4,
    "s": 60.976,
    "l": 24.118
  },
  "oklch": {
    "l": 0.34098,
    "c": 0.08461,
    "h": 256.6
  },
  "luminance": 0.03923
}

Semantic roles & 50–950 ramp

primary

#183863

secondary

#99723E

accent

#A044E4

background

#F5F6F8

surface

#EAEBF0

border

#C6C6CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #183863

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

Preview Lab → · Contrast checker → · Palette generator →