#183489#183489

#183489 is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.3% C 0.146 H 265.5°. Best body text is #FFFFFF at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#183489
RGB	rgb(24, 52, 137)
HSL	hsl(225, 70%, 32%)
HSV	hsv(225, 82%, 54%)
CMYK	cmyk(82.5%, 62%, 0%, 46.3%)
CIE-LAB	lab(25.12, 23.13, -50.24)
CIE-LCH	lch(25.12, 55.31, 294.72°)
OKLab	oklab(36.32% -0.0115 -0.1453)
OKLCH	oklch(36.32% 0.146 265.5)
XYZ	xyz(6.1184, 4.4556, 24.1996)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#183489 #896D18

analogous

#186D89 #183489 #351889

triadic

#183489 #891834 #348918

tetradic

#183489 #89186D #896D18 #188935

square

#183489 #89186D #896D18 #188935

split-complementary

#183489 #893518 #6D8918

monochromatic

#060C21 #0F2055 #183489 #2148BD #3E66DD

Accessibility & contrast

On white

11.10

#183489 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#183489 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183489

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##183489	#FFFFFF	#000000	##FFFFFF
##183489	1.00	11.10	1.89	11.10
#FFFFFF	11.10	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00418C

Deuteranopia (green-blind)

#003687

Tritanopia (blue-blind)

#004A59

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #183489;
/* rgb */ color: rgb(24, 52, 137);
/* oklch */ color: oklch(36.3% 0.146 265.5);

Tailwind

colors: {
  custom: {
    50: '#6a6bac',
    500: '#183489',
    950: '#000000',
  },
}

SCSS

$custom: #183489;
$custom-light: #6a6bac;
$custom-dark: #000000;

JSON

{
  "hex": "#183489",
  "rgb": {
    "r": 24,
    "g": 52,
    "b": 137
  },
  "hsl": {
    "h": 225.133,
    "s": 70.186,
    "l": 31.569
  },
  "oklch": {
    "l": 0.36318,
    "c": 0.14575,
    "h": 265.5
  },
  "luminance": 0.04456
}

Semantic roles & 50–950 ramp

primary

#183489

secondary

#BD9E40

accent

#C13BED

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #183489

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

Preview Lab → · Contrast checker → · Palette generator →