#1D1CA9#1D1CA9

#1D1CA9 is a dark, highly saturated blue. Relative luminance 0.040; OKLCH L 36.2% C 0.210 H 269.6°. Best body text is #FFFFFF at 11.72:1 contrast (WCAG AA passes).

Color values

HEX	#1D1CA9
RGB	rgb(29, 28, 169)
HSL	hsl(240, 72%, 39%)
HSV	hsv(240, 83%, 66%)
CMYK	cmyk(82.8%, 83.4%, 0%, 33.7%)
CIE-LAB	lab(23.52, 49.50, -72.50)
CIE-LCH	lch(23.52, 87.79, 304.32°)
OKLab	oklab(36.24% -0.0014 -0.2099)
OKLCH	oklch(36.24% 0.21 269.6)
XYZ	xyz(8.0809, 3.9553, 37.8660)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1CA9 #A8A91C

analogous

#1C61A9 #1D1CA9 #631CA9

triadic

#1D1CA9 #A91D1C #1CA91D

tetradic

#1D1CA9 #A91C61 #A8A91C #1CA963

square

#1D1CA9 #A91C61 #A8A91C #1CA963

split-complementary

#1D1CA9 #A9631C #61A91C

monochromatic

#0B0B40 #141374 #1D1CA9 #2827DB #5C5BE4

Accessibility & contrast

On white

11.72

#1D1CA9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#1D1CA9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1CA9

11.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1CA9	#FFFFFF	#000000	##FFFFFF
##1D1CA9	1.00	11.72	1.79	11.72
#FFFFFF	11.72	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FAD

Deuteranopia (green-blind)

#0030A7

Tritanopia (blue-blind)

#004A64

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1d1ca9;
/* rgb */ color: rgb(29, 28, 169);
/* oklch */ color: oklch(36.2% 0.210 269.6);

Tailwind

colors: {
  custom: {
    50: '#765dc4',
    500: '#1d1ca9',
    950: '#000000',
  },
}

SCSS

$custom: #1d1ca9;
$custom-light: #765dc4;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1ca9",
  "rgb": {
    "r": 29,
    "g": 28,
    "b": 169
  },
  "hsl": {
    "h": 240.426,
    "s": 71.574,
    "l": 38.627
  },
  "oklch": {
    "l": 0.36236,
    "c": 0.20989,
    "h": 269.6
  },
  "luminance": 0.03956
}

Semantic roles & 50–950 ramp

primary

#1D1CA9

secondary

#C7C859

accent

#EE39ED

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0413

muted

#7C7982

Preview Lab

Preview with #1D1CA9

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

Preview Lab → · Contrast checker → · Palette generator →