#1A18A0#1A18A0

#1A18A0 is a dark, highly saturated blue. Relative luminance 0.034; OKLCH L 34.6% C 0.203 H 269.4°. Best body text is #FFFFFF at 12.48:1 contrast (WCAG AA passes).

Color values

HEX	#1A18A0
RGB	rgb(26, 24, 160)
HSL	hsl(241, 74%, 36%)
HSV	hsv(241, 85%, 63%)
CMYK	cmyk(83.8%, 85%, 0%, 37.3%)
CIE-LAB	lab(21.62, 48.39, -70.21)
CIE-LCH	lch(21.62, 85.27, 304.58°)
OKLab	oklab(34.55% -0.002 -0.2032)
OKLCH	oklch(34.55% 0.203 269.4)
XYZ	xyz(7.0956, 3.4101, 33.5351)
Luminance	0.0341 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A18A0 #9EA018

analogous

#185AA0 #1A18A0 #5E18A0

triadic

#1A18A0 #A01A18 #18A01A

tetradic

#1A18A0 #A0185A #9EA018 #18A05E

square

#1A18A0 #A0185A #9EA018 #18A05E

split-complementary

#1A18A0 #A05E18 #5AA018

monochromatic

#090836 #11106B #1A18A0 #2320D5 #504EE4

Accessibility & contrast

On white

12.48

#1A18A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1A18A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A18A0

12.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A18A0	#FFFFFF	#000000	##FFFFFF
##1A18A0	1.00	12.48	1.68	12.48
#FFFFFF	12.48	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003BA4

Deuteranopia (green-blind)

#002C9E

Tritanopia (blue-blind)

#00455F

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1a18a0;
/* rgb */ color: rgb(26, 24, 160);
/* oklch */ color: oklch(34.6% 0.203 269.4);

Tailwind

colors: {
  custom: {
    50: '#735abe',
    500: '#1a18a0',
    950: '#000000',
  },
}

SCSS

$custom: #1a18a0;
$custom-light: #735abe;
$custom-dark: #000000;

JSON

{
  "hex": "#1a18a0",
  "rgb": {
    "r": 26,
    "g": 24,
    "b": 160
  },
  "hsl": {
    "h": 240.882,
    "s": 73.913,
    "l": 36.078
  },
  "oklch": {
    "l": 0.34553,
    "c": 0.20323,
    "h": 269.4
  },
  "luminance": 0.03411
}

Semantic roles & 50–950 ramp

primary

#1A18A0

secondary

#C5C64D

accent

#F137EE

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1A18A0

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

Preview Lab → · Contrast checker → · Palette generator →