#183287#183287

#183287 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.7% C 0.146 H 266.0°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#183287
RGB	rgb(24, 50, 135)
HSL	hsl(226, 70%, 31%)
HSV	hsv(226, 82%, 53%)
CMYK	cmyk(82.2%, 63%, 0%, 47.1%)
CIE-LAB	lab(24.40, 23.72, -50.18)
CIE-LCH	lch(24.40, 55.51, 295.30°)
OKLab	oklab(35.72% -0.0103 -0.1451)
OKLCH	oklch(35.72% 0.146 266)
XYZ	xyz(5.8889, 4.2240, 23.4219)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183287 #876D18

analogous

#186987 #183287 #351887

triadic

#183287 #871832 #328718

tetradic

#183287 #871869 #876D18 #188735

square

#183287 #871869 #876D18 #188735

split-complementary

#183287 #873518 #698718

monochromatic

#060C1F #0F1F53 #183287 #2145BB #3D62DC

Accessibility & contrast

On white

11.38

#183287 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#183287 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183287

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183287	#FFFFFF	#000000	##FFFFFF
##183287	1.00	11.38	1.85	11.38
#FFFFFF	11.38	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F8A

Deuteranopia (green-blind)

#003585

Tritanopia (blue-blind)

#004857

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #183287;
/* rgb */ color: rgb(24, 50, 135);
/* oklch */ color: oklch(35.7% 0.146 266.0);

Tailwind

colors: {
  custom: {
    50: '#6969ab',
    500: '#183287',
    950: '#000000',
  },
}

SCSS

$custom: #183287;
$custom-light: #6969ab;
$custom-dark: #000000;

JSON

{
  "hex": "#183287",
  "rgb": {
    "r": 24,
    "g": 50,
    "b": 135
  },
  "hsl": {
    "h": 225.946,
    "s": 69.811,
    "l": 31.176
  },
  "oklch": {
    "l": 0.35723,
    "c": 0.14551,
    "h": 266
  },
  "luminance": 0.04225
}

Semantic roles & 50–950 ramp

primary

#183287

secondary

#BB9E40

accent

#C33BED

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #183287

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

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