#1D1BB4#1D1BB4

#1D1BB4 is a dark, highly saturated blue. Relative luminance 0.043; OKLCH L 37.5% C 0.223 H 269.1°. Best body text is #FFFFFF at 11.24:1 contrast (WCAG AA passes).

Color values

HEX	#1D1BB4
RGB	rgb(29, 27, 180)
HSL	hsl(241, 74%, 41%)
HSV	hsv(241, 85%, 71%)
CMYK	cmyk(83.9%, 85%, 0%, 29.4%)
CIE-LAB	lab(24.76, 53.32, -77.05)
CIE-LCH	lch(24.76, 93.70, 304.68°)
OKLab	oklab(37.49% -0.0036 -0.223)
OKLCH	oklch(37.49% 0.223 269.1)
XYZ	xyz(9.1340, 4.3393, 43.5273)
Luminance	0.0434 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1BB4 #B2B41B

analogous

#1B66B4 #1D1BB4 #691BB4

triadic

#1D1BB4 #B41D1B #1BB41D

tetradic

#1D1BB4 #B41B66 #B2B41B #1BB469

square

#1D1BB4 #B41B66 #B2B41B #1BB469

split-complementary

#1D1BB4 #B4691B #66B41B

monochromatic

#0C0B4A #14137F #1D1BB4 #2F2DDF #6462E7

Accessibility & contrast

On white

11.24

#1D1BB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#1D1BB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1BB4

11.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1BB4	#FFFFFF	#000000	##FFFFFF
##1D1BB4	1.00	11.24	1.87	11.24
#FFFFFF	11.24	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B8

Deuteranopia (green-blind)

#0032B2

Tritanopia (blue-blind)

#004E6B

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1d1bb4;
/* rgb */ color: rgb(29, 27, 180);
/* oklch */ color: oklch(37.5% 0.223 269.1);

Tailwind

colors: {
  custom: {
    50: '#795dcc',
    500: '#1d1bb4',
    950: '#000000',
  },
}

SCSS

$custom: #1d1bb4;
$custom-light: #795dcc;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1bb4",
  "rgb": {
    "r": 29,
    "g": 27,
    "b": 180
  },
  "hsl": {
    "h": 240.784,
    "s": 73.913,
    "l": 40.588
  },
  "oklch": {
    "l": 0.37486,
    "c": 0.22305,
    "h": 269.1
  },
  "luminance": 0.0434
}

Semantic roles & 50–950 ramp

primary

#1D1BB4

secondary

#CBCC5F

accent

#F137EE

background

#F8F5FC

surface

#EFE9F9

border

#CAC5D2

text

#0B0414

muted

#7C7982

Preview Lab

Preview with #1D1BB4

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

Preview Lab → · Contrast checker → · Palette generator →