#1618A1#1618A1

#1618A1 is a dark, highly saturated blue. Relative luminance 0.034; OKLCH L 34.5% C 0.205 H 268.3°. Best body text is #FFFFFF at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#1618A1
RGB	rgb(22, 24, 161)
HSL	hsl(239, 76%, 36%)
HSV	hsv(239, 86%, 63%)
CMYK	cmyk(86.3%, 85.1%, 0%, 36.9%)
CIE-LAB	lab(21.57, 48.54, -70.91)
CIE-LCH	lch(21.57, 85.93, 304.39°)
OKLab	oklab(34.51% -0.0062 -0.2053)
OKLCH	oklch(34.51% 0.205 268.3)
XYZ	xyz(7.0883, 3.3962, 33.9932)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1618A1 #A19F16

analogous

#165DA1 #1618A1 #5916A1

triadic

#1618A1 #A11618 #18A116

tetradic

#1618A1 #A1165D #A19F16 #16A159

square

#1618A1 #A1165D #A19F16 #16A159

split-complementary

#1618A1 #A15916 #5DA116

monochromatic

#070835 #0F106B #1618A1 #1D20D7 #4B4DE6

Accessibility & contrast

On white

12.50

#1618A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1618A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1618A1

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1618A1	#FFFFFF	#000000	##FFFFFF
##1618A1	1.00	12.50	1.68	12.50
#FFFFFF	12.50	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003BA5

Deuteranopia (green-blind)

#002C9F

Tritanopia (blue-blind)

#00465F

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1618a1;
/* rgb */ color: rgb(22, 24, 161);
/* oklch */ color: oklch(34.5% 0.205 268.3);

Tailwind

colors: {
  custom: {
    50: '#735abe',
    500: '#1618a1',
    950: '#000000',
  },
}

SCSS

$custom: #1618a1;
$custom-light: #735abe;
$custom-dark: #000000;

JSON

{
  "hex": "#1618a1",
  "rgb": {
    "r": 22,
    "g": 24,
    "b": 161
  },
  "hsl": {
    "h": 239.137,
    "s": 75.956,
    "l": 35.882
  },
  "oklch": {
    "l": 0.34505,
    "c": 0.20539,
    "h": 268.3
  },
  "luminance": 0.03397
}

Semantic roles & 50–950 ramp

primary

#1618A1

secondary

#C8C64B

accent

#F035F3

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1618A1

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

Preview Lab → · Contrast checker → · Palette generator →