#1D1CA1#1D1CA1

#1D1CA1 is a dark, highly saturated blue. Relative luminance 0.037; OKLCH L 35.3% C 0.201 H 270.1°. Best body text is #FFFFFF at 12.12:1 contrast (WCAG AA passes).

Color values

HEX	#1D1CA1
RGB	rgb(29, 28, 161)
HSL	hsl(240, 70%, 37%)
HSV	hsv(240, 83%, 63%)
CMYK	cmyk(82%, 82.6%, 0%, 36.9%)
CIE-LAB	lab(22.53, 46.98, -69.30)
CIE-LCH	lch(22.53, 83.72, 304.13°)
OKLab	oklab(35.26% 0.0003 -0.2006)
OKLCH	oklch(35.26% 0.201 270.1)
XYZ	xyz(7.3528, 3.6641, 34.0310)
Luminance	0.0367 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1CA1 #A0A11C

analogous

#1C5EA1 #1D1CA1 #601CA1

triadic

#1D1CA1 #A11D1C #1CA11D

tetradic

#1D1CA1 #A11C5E #A0A11C #1CA160

square

#1D1CA1 #A11C5E #A0A11C #1CA160

split-complementary

#1D1CA1 #A1601C #5EA11C

monochromatic

#0A0A39 #14136D #1D1CA1 #2625D5 #5756E2

Accessibility & contrast

On white

12.12

#1D1CA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1D1CA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1CA1

12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1CA1	#FFFFFF	#000000	##FFFFFF
##1D1CA1	1.00	12.12	1.73	12.12
#FFFFFF	12.12	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA5

Deuteranopia (green-blind)

#002F9F

Tritanopia (blue-blind)

#004760

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1d1ca1;
/* rgb */ color: rgb(29, 28, 161);
/* oklch */ color: oklch(35.3% 0.201 270.1);

Tailwind

colors: {
  custom: {
    50: '#745cbe',
    500: '#1d1ca1',
    950: '#000000',
  },
}

SCSS

$custom: #1d1ca1;
$custom-light: #745cbe;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1ca1",
  "rgb": {
    "r": 29,
    "g": 28,
    "b": 161
  },
  "hsl": {
    "h": 240.451,
    "s": 70.37,
    "l": 37.059
  },
  "oklch": {
    "l": 0.35261,
    "c": 0.20063,
    "h": 270.1
  },
  "luminance": 0.03665
}

Semantic roles & 50–950 ramp

primary

#1D1CA1

secondary

#C4C554

accent

#ED3BEC

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1D1CA1

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

Preview Lab → · Contrast checker → · Palette generator →