#1A1CA1#1A1CA1

#1A1CA1 is a dark, highly saturated blue. Relative luminance 0.036; OKLCH L 35.1% C 0.201 H 269.2°. Best body text is #FFFFFF at 12.18:1 contrast (WCAG AA passes).

Color values

HEX	#1A1CA1
RGB	rgb(26, 28, 161)
HSL	hsl(239, 72%, 37%)
HSV	hsv(239, 84%, 63%)
CMYK	cmyk(83.9%, 82.6%, 0%, 36.9%)
CIE-LAB	lab(22.38, 46.82, -69.55)
CIE-LCH	lch(22.38, 83.84, 303.95°)
OKLab	oklab(35.12% -0.0029 -0.2014)
OKLCH	oklch(35.12% 0.201 269.2)
XYZ	xyz(7.2721, 3.6225, 34.0272)
Luminance	0.0362 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A1CA1 #A19F1A

analogous

#1A60A1 #1A1CA1 #5C1AA1

triadic

#1A1CA1 #A11A1C #1CA11A

tetradic

#1A1CA1 #A11A60 #A19F1A #1AA15C

square

#1A1CA1 #A11A60 #A19F1A #1AA15C

split-complementary

#1A1CA1 #A15C1A #60A11A

monochromatic

#090A38 #11136C #1A1CA1 #2325D6 #5254E3

Accessibility & contrast

On white

12.18

#1A1CA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#1A1CA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A1CA1

12.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A1CA1	#FFFFFF	#000000	##FFFFFF
##1A1CA1	1.00	12.18	1.72	12.18
#FFFFFF	12.18	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.18	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: #1a1ca1;
/* rgb */ color: rgb(26, 28, 161);
/* oklch */ color: oklch(35.1% 0.201 269.2);

Tailwind

colors: {
  custom: {
    50: '#735cbe',
    500: '#1a1ca1',
    950: '#000000',
  },
}

SCSS

$custom: #1a1ca1;
$custom-light: #735cbe;
$custom-dark: #000000;

JSON

{
  "hex": "#1a1ca1",
  "rgb": {
    "r": 26,
    "g": 28,
    "b": 161
  },
  "hsl": {
    "h": 239.111,
    "s": 72.193,
    "l": 36.667
  },
  "oklch": {
    "l": 0.35119,
    "c": 0.20141,
    "h": 269.2
  },
  "luminance": 0.03623
}

Semantic roles & 50–950 ramp

primary

#1A1CA1

secondary

#C6C451

accent

#EC39EF

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1A1CA1

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

Preview Lab → · Contrast checker → · Palette generator →