#182881#182881

#182881 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.2% C 0.150 H 268.4°. Best body text is #FFFFFF at 12.66:1 contrast (WCAG AA passes).

Color values

HEX	#182881
RGB	rgb(24, 40, 129)
HSL	hsl(231, 69%, 30%)
HSV	hsv(231, 81%, 51%)
CMYK	cmyk(81.4%, 69%, 0%, 49.4%)
CIE-LAB	lab(21.19, 28.23, -51.67)
CIE-LCH	lch(21.19, 58.88, 298.65°)
OKLab	oklab(33.19% -0.0042 -0.1496)
OKLCH	oklch(33.19% 0.15 268.4)
XYZ	xyz(5.0966, 3.2962, 21.1322)
Luminance	0.0330 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182881 #817118

analogous

#185D81 #182881 #3C1881

triadic

#182881 #811828 #288118

tetradic

#182881 #81185D #817118 #18813C

square

#182881 #81185D #817118 #18813C

split-complementary

#182881 #813C18 #5D8118

monochromatic

#05081A #0E184D #182881 #2238B5 #3952DA

Accessibility & contrast

On white

12.66

#182881 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#182881 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182881

12.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182881	#FFFFFF	#000000	##FFFFFF
##182881	1.00	12.66	1.66	12.66
#FFFFFF	12.66	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003884

Deuteranopia (green-blind)

#002E7F

Tritanopia (blue-blind)

#004051

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #182881;
/* rgb */ color: rgb(24, 40, 129);
/* oklch */ color: oklch(33.2% 0.150 268.4);

Tailwind

colors: {
  custom: {
    50: '#6962a7',
    500: '#182881',
    950: '#000000',
  },
}

SCSS

$custom: #182881;
$custom-light: #6962a7;
$custom-dark: #000000;

JSON

{
  "hex": "#182881",
  "rgb": {
    "r": 24,
    "g": 40,
    "b": 129
  },
  "hsl": {
    "h": 230.857,
    "s": 68.627,
    "l": 30
  },
  "oklch": {
    "l": 0.33187,
    "c": 0.14966,
    "h": 268.4
  },
  "luminance": 0.03297
}

Semantic roles & 50–950 ramp

primary

#182881

secondary

#B5A340

accent

#D13CEB

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#07050F

muted

#7A797F

Preview Lab

Preview with #182881

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

Preview Lab → · Contrast checker → · Palette generator →