#183885#183885

#183885 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.8% C 0.135 H 263.9°. Best body text is #FFFFFF at 10.81:1 contrast (WCAG AA passes).

Color values

HEX	#183885
RGB	rgb(24, 56, 133)
HSL	hsl(222, 69%, 31%)
HSV	hsv(222, 82%, 52%)
CMYK	cmyk(82%, 57.9%, 0%, 47.8%)
CIE-LAB	lab(25.91, 18.70, -46.47)
CIE-LCH	lch(25.91, 50.10, 291.92°)
OKLab	oklab(36.8% -0.0144 -0.1342)
OKLCH	oklch(36.8% 0.135 263.9)
XYZ	xyz(6.0230, 4.7153, 22.7785)
Luminance	0.0472 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183885 #856518

analogous

#186E85 #183885 #2E1885

triadic

#183885 #851838 #388518

tetradic

#183885 #85186E #856518 #18852E

square

#183885 #85186E #856518 #18852E

split-complementary

#183885 #852E18 #6E8518

monochromatic

#050C1D #0F2251 #183885 #214EB9 #3C6BDC

Accessibility & contrast

On white

10.81

#183885 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#183885 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183885

10.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183885	#FFFFFF	#000000	##FFFFFF
##183885	1.00	10.81	1.94	10.81
#FFFFFF	10.81	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004388

Deuteranopia (green-blind)

#003983

Tritanopia (blue-blind)

#004B58

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #183885;
/* rgb */ color: rgb(24, 56, 133);
/* oklch */ color: oklch(36.8% 0.135 263.9);

Tailwind

colors: {
  custom: {
    50: '#686ea9',
    500: '#183885',
    950: '#000000',
  },
}

SCSS

$custom: #183885;
$custom-light: #686ea9;
$custom-dark: #000000;

JSON

{
  "hex": "#183885",
  "rgb": {
    "r": 24,
    "g": 56,
    "b": 133
  },
  "hsl": {
    "h": 222.385,
    "s": 69.427,
    "l": 30.784
  },
  "oklch": {
    "l": 0.368,
    "c": 0.13493,
    "h": 263.9
  },
  "luminance": 0.04716
}

Semantic roles & 50–950 ramp

primary

#183885

secondary

#B99540

accent

#B83CEC

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #183885

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

Preview Lab → · Contrast checker → · Palette generator →