#183487#183487

#183487 is a dark, vivid blue. Relative luminance 0.044; OKLCH L 36.1% C 0.143 H 265.4°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#183487
RGB	rgb(24, 52, 135)
HSL	hsl(225, 70%, 31%)
HSV	hsv(225, 82%, 53%)
CMYK	cmyk(82.2%, 61.5%, 0%, 47.1%)
CIE-LAB	lab(24.95, 22.32, -49.28)
CIE-LCH	lch(24.95, 54.10, 294.37°)
OKLab	oklab(36.13% -0.0115 -0.1425)
OKLCH	oklch(36.13% 0.143 265.4)
XYZ	xyz(5.9763, 4.3987, 23.4510)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183487 #876B18

analogous

#186B87 #183487 #331887

triadic

#183487 #871834 #348718

tetradic

#183487 #87186B #876B18 #188733

square

#183487 #87186B #876B18 #188733

split-complementary

#183487 #873318 #6B8718

monochromatic

#060C1F #0F2053 #183487 #2148BB #3D65DC

Accessibility & contrast

On white

11.17

#183487 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#183487 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183487

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183487	#FFFFFF	#000000	##FFFFFF
##183487	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418A

Deuteranopia (green-blind)

#003685

Tritanopia (blue-blind)

#004958

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #183487;
/* rgb */ color: rgb(24, 52, 135);
/* oklch */ color: oklch(36.1% 0.143 265.4);

Tailwind

colors: {
  custom: {
    50: '#696bab',
    500: '#183487',
    950: '#000000',
  },
}

SCSS

$custom: #183487;
$custom-light: #696bab;
$custom-dark: #000000;

JSON

{
  "hex": "#183487",
  "rgb": {
    "r": 24,
    "g": 52,
    "b": 135
  },
  "hsl": {
    "h": 224.865,
    "s": 69.811,
    "l": 31.176
  },
  "oklch": {
    "l": 0.36133,
    "c": 0.14296,
    "h": 265.4
  },
  "luminance": 0.04399
}

Semantic roles & 50–950 ramp

primary

#183487

secondary

#BB9C40

accent

#C03BED

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #183487

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

Preview Lab → · Contrast checker → · Palette generator →