#182171#182171

#182171 is a dark, vivid blue. Relative luminance 0.025; OKLCH L 30.2% C 0.136 H 270.5°. Best body text is #FFFFFF at 14.05:1 contrast (WCAG AA passes).

Color values

HEX	#182171
RGB	rgb(24, 33, 113)
HSL	hsl(234, 65%, 27%)
HSV	hsv(234, 79%, 44%)
CMYK	cmyk(78.8%, 70.8%, 0%, 55.7%)
CIE-LAB	lab(17.80, 26.77, -47.03)
CIE-LCH	lch(17.80, 54.11, 299.65°)
OKLab	oklab(30.22% 0.0011 -0.1361)
OKLCH	oklch(30.22% 0.136 270.5)
XYZ	xyz(3.9002, 2.4737, 15.8915)
Luminance	0.0247 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#182171 #716818

analogous

#184E71 #182171 #3C1871

triadic

#182171 #711821 #217118

tetradic

#182171 #71184E #716818 #18713C

square

#182171 #71184E #716818 #18713C

split-complementary

#182171 #713C18 #4E7118

monochromatic

#050719 #0D123F #182171 #2330A3 #3041D3

Accessibility & contrast

On white

14.05

#182171 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.49

#182171 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #182171

14.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##182171	#FFFFFF	#000000	##FFFFFF
##182171	1.00	14.05	1.49	14.05
#FFFFFF	14.05	1.00	21.00	1.00
#000000	1.49	21.00	1.00	21.00
##FFFFFF	14.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003073

Deuteranopia (green-blind)

#002770

Tritanopia (blue-blind)

#003746

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #182171;
/* rgb */ color: rgb(24, 33, 113);
/* oklch */ color: oklch(30.2% 0.136 270.5);

Tailwind

colors: {
  custom: {
    50: '#655c9b',
    500: '#182171',
    950: '#000000',
  },
}

SCSS

$custom: #182171;
$custom-light: #655c9b;
$custom-dark: #000000;

JSON

{
  "hex": "#182171",
  "rgb": {
    "r": 24,
    "g": 33,
    "b": 113
  },
  "hsl": {
    "h": 233.933,
    "s": 64.964,
    "l": 26.863
  },
  "oklch": {
    "l": 0.30223,
    "c": 0.13607,
    "h": 270.5
  },
  "luminance": 0.02474
}

Semantic roles & 50–950 ramp

primary

#182171

secondary

#A69C3E

accent

#D740E8

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #182171

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

Preview Lab → · Contrast checker → · Palette generator →