#1D1BB1#1D1BB1

#1D1BB1 is a dark, highly saturated blue. Relative luminance 0.042; OKLCH L 37.1% C 0.220 H 269.2°. Best body text is #FFFFFF at 11.39:1 contrast (WCAG AA passes).

Color values

HEX	#1D1BB1
RGB	rgb(29, 27, 177)
HSL	hsl(241, 74%, 40%)
HSV	hsv(241, 85%, 69%)
CMYK	cmyk(83.6%, 84.7%, 0%, 30.6%)
CIE-LAB	lab(24.38, 52.41, -75.89)
CIE-LCH	lch(24.38, 92.23, 304.63°)
OKLab	oklab(37.11% -0.003 -0.2197)
OKLCH	oklch(37.11% 0.22 269.2)
XYZ	xyz(8.8317, 4.2183, 41.9352)
Luminance	0.0422 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1BB1 #AFB11B

analogous

#1B64B1 #1D1BB1 #681BB1

triadic

#1D1BB1 #B11D1B #1BB11D

tetradic

#1D1BB1 #B11B64 #AFB11B #1BB168

square

#1D1BB1 #B11B64 #AFB11B #1BB168

split-complementary

#1D1BB1 #B1681B #64B11B

monochromatic

#0C0B47 #14137C #1D1BB1 #2D2BDF #6260E7

Accessibility & contrast

On white

11.39

#1D1BB1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#1D1BB1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1BB1

11.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1BB1	#FFFFFF	#000000	##FFFFFF
##1D1BB1	1.00	11.39	1.84	11.39
#FFFFFF	11.39	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041B5

Deuteranopia (green-blind)

#0032AF

Tritanopia (blue-blind)

#004D69

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1d1bb1;
/* rgb */ color: rgb(29, 27, 177);
/* oklch */ color: oklch(37.1% 0.220 269.2);

Tailwind

colors: {
  custom: {
    50: '#785dca',
    500: '#1d1bb1',
    950: '#000000',
  },
}

SCSS

$custom: #1d1bb1;
$custom-light: #785dca;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1bb1",
  "rgb": {
    "r": 29,
    "g": 27,
    "b": 177
  },
  "hsl": {
    "h": 240.8,
    "s": 73.529,
    "l": 40
  },
  "oklch": {
    "l": 0.37114,
    "c": 0.21969,
    "h": 269.2
  },
  "luminance": 0.04219
}

Semantic roles & 50–950 ramp

primary

#1D1BB1

secondary

#CACB5D

accent

#F038EE

background

#F8F5FC

surface

#EFE9F9

border

#CAC5D2

text

#0B0413

muted

#7C7982

Preview Lab

Preview with #1D1BB1

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

Preview Lab → · Contrast checker → · Palette generator →