#183590#183590

#183590 is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.2% C 0.154 H 265.5°. Best body text is #FFFFFF at 10.76:1 contrast (WCAG AA passes).

Color values

HEX	#183590
RGB	rgb(24, 53, 144)
HSL	hsl(226, 71%, 33%)
HSV	hsv(226, 83%, 56%)
CMYK	cmyk(83.3%, 63.2%, 0%, 43.5%)
CIE-LAB	lab(26.02, 25.24, -53.12)
CIE-LCH	lch(26.02, 58.81, 295.42°)
OKLab	oklab(37.18% -0.012 -0.1537)
OKLCH	oklch(37.18% 0.154 265.5)
XYZ	xyz(6.6821, 4.7532, 26.9454)
Luminance	0.0475 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183590 #907318

analogous

#187190 #183590 #371890

triadic

#183590 #901835 #359018

tetradic

#183590 #901871 #907318 #189037

square

#183590 #901871 #907318 #189037

split-complementary

#183590 #903718 #719018

monochromatic

#070E27 #0F225C #183590 #2148C4 #4369E0

Accessibility & contrast

On white

10.76

#183590 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#183590 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183590

10.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183590	#FFFFFF	#000000	##FFFFFF
##183590	1.00	10.76	1.95	10.76
#FFFFFF	10.76	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004393

Deuteranopia (green-blind)

#00388E

Tritanopia (blue-blind)

#004D5D

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #183590;
/* rgb */ color: rgb(24, 53, 144);
/* oklch */ color: oklch(37.2% 0.154 265.5);

Tailwind

colors: {
  custom: {
    50: '#6c6bb1',
    500: '#183590',
    950: '#000000',
  },
}

SCSS

$custom: #183590;
$custom-light: #6c6bb1;
$custom-dark: #000000;

JSON

{
  "hex": "#183590",
  "rgb": {
    "r": 24,
    "g": 53,
    "b": 144
  },
  "hsl": {
    "h": 225.5,
    "s": 71.429,
    "l": 32.941
  },
  "oklch": {
    "l": 0.37178,
    "c": 0.15418,
    "h": 265.5
  },
  "luminance": 0.04754
}

Semantic roles & 50–950 ramp

primary

#183590

secondary

#C0A243

accent

#C33AEE

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080611

muted

#7B7A80

Preview Lab

Preview with #183590

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

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