#183089#183089

#183089 is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.5% C 0.151 H 266.6°. Best body text is #FFFFFF at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#183089
RGB	rgb(24, 48, 137)
HSL	hsl(227, 70%, 32%)
HSV	hsv(227, 82%, 54%)
CMYK	cmyk(82.5%, 65%, 0%, 46.3%)
CIE-LAB	lab(24.04, 25.90, -52.01)
CIE-LCH	lch(24.04, 58.10, 296.47°)
OKLab	oklab(35.52% -0.0091 -0.1505)
OKLCH	oklch(35.52% 0.151 266.6)
XYZ	xyz(5.9474, 4.1135, 24.1426)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183089 #897118

analogous

#186989 #183089 #391889

triadic

#183089 #891830 #308918

tetradic

#183089 #891869 #897118 #188939

square

#183089 #891869 #897118 #188939

split-complementary

#183089 #893918 #698918

monochromatic

#060C21 #0F1E55 #183089 #2142BD #3E60DD

Accessibility & contrast

On white

11.52

#183089 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#183089 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183089

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183089	#FFFFFF	#000000	##FFFFFF
##183089	1.00	11.52	1.82	11.52
#FFFFFF	11.52	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8C

Deuteranopia (green-blind)

#003487

Tritanopia (blue-blind)

#004758

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #183089;
/* rgb */ color: rgb(24, 48, 137);
/* oklch */ color: oklch(35.5% 0.151 266.6);

Tailwind

colors: {
  custom: {
    50: '#6a68ac',
    500: '#183089',
    950: '#000000',
  },
}

SCSS

$custom: #183089;
$custom-light: #6a68ac;
$custom-dark: #000000;

JSON

{
  "hex": "#183089",
  "rgb": {
    "r": 24,
    "g": 48,
    "b": 137
  },
  "hsl": {
    "h": 227.257,
    "s": 70.186,
    "l": 31.569
  },
  "oklch": {
    "l": 0.35516,
    "c": 0.1508,
    "h": 266.6
  },
  "luminance": 0.04114
}

Semantic roles & 50–950 ramp

primary

#183089

secondary

#BDA240

accent

#C73BED

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #183089

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

Preview Lab → · Contrast checker → · Palette generator →