#181989#181989

#181989 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.7% C 0.176 H 270.2°. Best body text is #FFFFFF at 13.64:1 contrast (WCAG AA passes).

Color values

HEX	#181989
RGB	rgb(24, 25, 137)
HSL	hsl(239, 70%, 32%)
HSV	hsv(239, 82%, 54%)
CMYK	cmyk(82.5%, 81.8%, 0%, 46.3%)
CIE-LAB	lab(18.78, 40.37, -60.69)
CIE-LCH	lch(18.78, 72.89, 303.63°)
OKLab	oklab(31.73% 0.0006 -0.1757)
OKLCH	oklch(31.73% 0.176 270.2)
XYZ	xyz(5.2381, 2.6950, 23.9062)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181989 #898818

analogous

#185289 #181989 #501889

triadic

#181989 #891819 #198918

tetradic

#181989 #891852 #898818 #188950

square

#181989 #891852 #898818 #188950

split-complementary

#181989 #895018 #528918

monochromatic

#060621 #0F0F55 #181989 #2123BD #3E40DD

Accessibility & contrast

On white

13.64

#181989 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#181989 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181989

13.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181989	#FFFFFF	#000000	##FFFFFF
##181989	1.00	13.64	1.54	13.64
#FFFFFF	13.64	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00338C

Deuteranopia (green-blind)

#002887

Tritanopia (blue-blind)

#003C51

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #181989;
/* rgb */ color: rgb(24, 25, 137);
/* oklch */ color: oklch(31.7% 0.176 270.2);

Tailwind

colors: {
  custom: {
    50: '#6c58ad',
    500: '#181989',
    950: '#000000',
  },
}

SCSS

$custom: #181989;
$custom-light: #6c58ad;
$custom-dark: #000000;

JSON

{
  "hex": "#181989",
  "rgb": {
    "r": 24,
    "g": 25,
    "b": 137
  },
  "hsl": {
    "h": 239.469,
    "s": 70.186,
    "l": 31.569
  },
  "oklch": {
    "l": 0.31725,
    "c": 0.17575,
    "h": 270.2
  },
  "luminance": 0.02696
}

Semantic roles & 50–950 ramp

primary

#181989

secondary

#BDBB40

accent

#EB3BED

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #181989

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

Preview Lab → · Contrast checker → · Palette generator →