#183986#183986

#183986 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.1% C 0.135 H 263.6°. Best body text is #FFFFFF at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#183986
RGB	rgb(24, 57, 134)
HSL	hsl(222, 70%, 31%)
HSV	hsv(222, 82%, 53%)
CMYK	cmyk(82.1%, 57.5%, 0%, 47.5%)
CIE-LAB	lab(26.28, 18.41, -46.50)
CIE-LCH	lch(26.28, 50.01, 291.60°)
OKLab	oklab(37.1% -0.015 -0.1342)
OKLCH	oklch(37.1% 0.135 263.6)
XYZ	xyz(6.1414, 4.8410, 23.1604)
Luminance	0.0484 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183986 #866518

analogous

#187086 #183986 #2E1886

triadic

#183986 #861839 #398618

tetradic

#183986 #861870 #866518 #18862E

square

#183986 #861870 #866518 #18862E

split-complementary

#183986 #862E18 #708618

monochromatic

#050D1E #0F2352 #183986 #214FBA #3C6CDC

Accessibility & contrast

On white

10.67

#183986 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#183986 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183986

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183986	#FFFFFF	#000000	##FFFFFF
##183986	1.00	10.67	1.97	10.67
#FFFFFF	10.67	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004389

Deuteranopia (green-blind)

#003984

Tritanopia (blue-blind)

#004C59

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #183986;
/* rgb */ color: rgb(24, 57, 134);
/* oklch */ color: oklch(37.1% 0.135 263.6);

Tailwind

colors: {
  custom: {
    50: '#696eaa',
    500: '#183986',
    950: '#000000',
  },
}

SCSS

$custom: #183986;
$custom-light: #696eaa;
$custom-dark: #000000;

JSON

{
  "hex": "#183986",
  "rgb": {
    "r": 24,
    "g": 57,
    "b": 134
  },
  "hsl": {
    "h": 222,
    "s": 69.62,
    "l": 30.98
  },
  "oklch": {
    "l": 0.37104,
    "c": 0.13506,
    "h": 263.6
  },
  "luminance": 0.04842
}

Semantic roles & 50–950 ramp

primary

#183986

secondary

#BA9540

accent

#B73BEC

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #183986

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

Preview Lab → · Contrast checker → · Palette generator →