#1816A0#1816A0

#1816A0 is a dark, highly saturated blue. Relative luminance 0.033; OKLCH L 34.3% C 0.205 H 268.9°. Best body text is #FFFFFF at 12.64:1 contrast (WCAG AA passes).

Color values

HEX	#1816A0
RGB	rgb(24, 22, 160)
HSL	hsl(241, 76%, 36%)
HSV	hsv(241, 86%, 63%)
CMYK	cmyk(85%, 86.3%, 0%, 37.3%)
CIE-LAB	lab(21.23, 49.19, -70.86)
CIE-LCH	lch(21.23, 86.26, 304.77°)
OKLab	oklab(34.26% -0.0038 -0.2051)
OKLCH	oklch(34.26% 0.205 268.9)
XYZ	xyz(7.0066, 3.3052, 33.5196)
Luminance	0.0331 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1816A0 #9EA016

analogous

#1659A0 #1816A0 #5D16A0

triadic

#1816A0 #A01816 #16A018

tetradic

#1816A0 #A01659 #9EA016 #16A05D

square

#1816A0 #A01659 #9EA016 #16A05D

split-complementary

#1816A0 #A05D16 #59A016

monochromatic

#080734 #100F6A #1816A0 #201DD6 #4D4AE6

Accessibility & contrast

On white

12.64

#1816A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1816A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1816A0

12.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1816A0	#FFFFFF	#000000	##FFFFFF
##1816A0	1.00	12.64	1.66	12.64
#FFFFFF	12.64	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003AA4

Deuteranopia (green-blind)

#002B9E

Tritanopia (blue-blind)

#00445E

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1816a0;
/* rgb */ color: rgb(24, 22, 160);
/* oklch */ color: oklch(34.3% 0.205 268.9);

Tailwind

colors: {
  custom: {
    50: '#7359be',
    500: '#1816a0',
    950: '#000000',
  },
}

SCSS

$custom: #1816a0;
$custom-light: #7359be;
$custom-dark: #000000;

JSON

{
  "hex": "#1816a0",
  "rgb": {
    "r": 24,
    "g": 22,
    "b": 160
  },
  "hsl": {
    "h": 240.87,
    "s": 75.824,
    "l": 35.686
  },
  "oklch": {
    "l": 0.34259,
    "c": 0.20512,
    "h": 268.9
  },
  "luminance": 0.03306
}

Semantic roles & 50–950 ramp

primary

#1816A0

secondary

#C6C84A

accent

#F235F0

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1816A0

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

Preview Lab → · Contrast checker → · Palette generator →