#1D1E99#1D1E99

#1D1E99 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.5% C 0.189 H 270.5°. Best body text is #FFFFFF at 12.37:1 contrast (WCAG AA passes).

Color values

HEX	#1D1E99
RGB	rgb(29, 30, 153)
HSL	hsl(240, 68%, 36%)
HSV	hsv(240, 81%, 60%)
CMYK	cmyk(81%, 80.4%, 0%, 40%)
CIE-LAB	lab(21.90, 43.36, -65.44)
CIE-LCH	lch(21.90, 78.50, 303.53°)
OKLab	oklab(34.55% 0.0015 -0.1895)
OKLCH	oklch(34.55% 0.189 270.5)
XYZ	xyz(6.7188, 3.4889, 30.4501)
Luminance	0.0349 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1E99 #99981D

analogous

#1D5C99 #1D1E99 #5A1D99

triadic

#1D1E99 #991D1E #1E991D

tetradic

#1D1E99 #991D5C #99981D #1D995A

square

#1D1E99 #991D5C #99981D #1D995A

split-complementary

#1D1E99 #995A1D #5C991D

monochromatic

#090A32 #131466 #1D1E99 #2728CC #5253DE

Accessibility & contrast

On white

12.37

#1D1E99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1D1E99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1E99

12.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1E99	#FFFFFF	#000000	##FFFFFF
##1D1E99	1.00	12.37	1.70	12.37
#FFFFFF	12.37	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B9C

Deuteranopia (green-blind)

#002E97

Tritanopia (blue-blind)

#00445C

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1d1e99;
/* rgb */ color: rgb(29, 30, 153);
/* oklch */ color: oklch(34.5% 0.189 270.5);

Tailwind

colors: {
  custom: {
    50: '#725db8',
    500: '#1d1e99',
    950: '#000000',
  },
}

SCSS

$custom: #1d1e99;
$custom-light: #725db8;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1e99",
  "rgb": {
    "r": 29,
    "g": 30,
    "b": 153
  },
  "hsl": {
    "h": 239.516,
    "s": 68.132,
    "l": 35.686
  },
  "oklch": {
    "l": 0.34546,
    "c": 0.18949,
    "h": 270.5
  },
  "luminance": 0.0349
}

Semantic roles & 50–950 ramp

primary

#1D1E99

secondary

#C1C051

accent

#EA3DEB

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090412

muted

#7B7981

Preview Lab

Preview with #1D1E99

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

Preview Lab → · Contrast checker → · Palette generator →