#1812A1#1812A1

#1812A1 is a dark, highly saturated blue. Relative luminance 0.032; OKLCH L 34.0% C 0.209 H 269.0°. Best body text is #FFFFFF at 12.80:1 contrast (WCAG AA passes).

Color values

HEX	#1812A1
RGB	rgb(24, 18, 161)
HSL	hsl(243, 80%, 35%)
HSV	hsv(243, 89%, 63%)
CMYK	cmyk(85.1%, 88.8%, 0%, 36.9%)
CIE-LAB	lab(20.82, 51.09, -72.14)
CIE-LCH	lch(20.82, 88.40, 305.31°)
OKLab	oklab(34.02% -0.0036 -0.2087)
OKLCH	oklch(34.02% 0.209 269)
XYZ	xyz(7.0238, 3.1992, 33.9586)
Luminance	0.0320 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1812A1 #9BA112

analogous

#1254A1 #1812A1 #5F12A1

triadic

#1812A1 #A11812 #12A118

tetradic

#1812A1 #A11254 #9BA112 #12A15F

square

#1812A1 #A11254 #9BA112 #12A15F

split-complementary

#1812A1 #A15F12 #54A112

monochromatic

#080633 #100C6A #1812A1 #2018D8 #4A43EA

Accessibility & contrast

On white

12.80

#1812A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#1812A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1812A1

12.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1812A1	#FFFFFF	#000000	##FFFFFF
##1812A1	1.00	12.80	1.64	12.80
#FFFFFF	12.80	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0039A5

Deuteranopia (green-blind)

#002A9F

Tritanopia (blue-blind)

#00445E

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1812a1;
/* rgb */ color: rgb(24, 18, 161);
/* oklch */ color: oklch(34.0% 0.209 269.0);

Tailwind

colors: {
  custom: {
    50: '#7457be',
    500: '#1812a1',
    950: '#000000',
  },
}

SCSS

$custom: #1812a1;
$custom-light: #7457be;
$custom-dark: #000000;

JSON

{
  "hex": "#1812a1",
  "rgb": {
    "r": 24,
    "g": 18,
    "b": 161
  },
  "hsl": {
    "h": 242.517,
    "s": 79.888,
    "l": 35.098
  },
  "oklch": {
    "l": 0.34021,
    "c": 0.20872,
    "h": 269
  },
  "luminance": 0.032
}

Semantic roles & 50–950 ramp

primary

#1812A1

secondary

#C5CA45

accent

#F631EE

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0312

muted

#7C7881

Preview Lab

Preview with #1812A1

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

Preview Lab → · Contrast checker → · Palette generator →