#181CA1#181CA1

#181CA1 is a dark, highly saturated blue. Relative luminance 0.036; OKLCH L 35.0% C 0.202 H 268.6°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#181CA1
RGB	rgb(24, 28, 161)
HSL	hsl(238, 74%, 36%)
HSV	hsv(238, 85%, 63%)
CMYK	cmyk(85.1%, 82.6%, 0%, 36.9%)
CIE-LAB	lab(22.29, 46.73, -69.70)
CIE-LCH	lch(22.29, 83.92, 303.84°)
OKLab	oklab(35.03% -0.0048 -0.2019)
OKLCH	oklch(35.03% 0.202 268.6)
XYZ	xyz(7.2228, 3.5970, 34.0249)
Luminance	0.0360 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181CA1 #A19D18

analogous

#1861A1 #181CA1 #5918A1

triadic

#181CA1 #A1181C #1CA118

tetradic

#181CA1 #A11861 #A19D18 #18A159

square

#181CA1 #A11861 #A19D18 #18A159

split-complementary

#181CA1 #A15918 #61A118

monochromatic

#080936 #10136C #181CA1 #2025D6 #4F53E5

Accessibility & contrast

On white

12.21

#181CA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#181CA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181CA1

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181CA1	#FFFFFF	#000000	##FFFFFF
##181CA1	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA5

Deuteranopia (green-blind)

#002E9F

Tritanopia (blue-blind)

#004760

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #181ca1;
/* rgb */ color: rgb(24, 28, 161);
/* oklch */ color: oklch(35.0% 0.202 268.6);

Tailwind

colors: {
  custom: {
    50: '#735cbe',
    500: '#181ca1',
    950: '#000000',
  },
}

SCSS

$custom: #181ca1;
$custom-light: #735cbe;
$custom-dark: #000000;

JSON

{
  "hex": "#181ca1",
  "rgb": {
    "r": 24,
    "g": 28,
    "b": 161
  },
  "hsl": {
    "h": 238.248,
    "s": 74.054,
    "l": 36.275
  },
  "oklch": {
    "l": 0.35032,
    "c": 0.20192,
    "h": 268.6
  },
  "luminance": 0.03598
}

Semantic roles & 50–950 ramp

primary

#181CA1

secondary

#C7C34E

accent

#EB37F1

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #181CA1

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

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