#1D109F#1D109F

#1D109F is a dark, highly saturated blue. Relative luminance 0.031; OKLCH L 33.8% C 0.206 H 270.8°. Best body text is #FFFFFF at 12.91:1 contrast (WCAG AA passes).

Color values

HEX	#1D109F
RGB	rgb(29, 16, 159)
HSL	hsl(245, 82%, 34%)
HSV	hsv(245, 90%, 62%)
CMYK	cmyk(81.8%, 89.9%, 0%, 37.6%)
CIE-LAB	lab(20.57, 51.42, -71.33)
CIE-LCH	lch(20.57, 87.93, 305.79°)
OKLab	oklab(33.85% 0.0027 -0.2062)
OKLCH	oklch(33.85% 0.206 270.8)
XYZ	xyz(6.9479, 3.1342, 33.0329)
Luminance	0.0314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D109F #929F10

analogous

#104A9F #1D109F #65109F

triadic

#1D109F #9F1D10 #109F1D

tetradic

#1D109F #9F104A #929F10 #109F65

square

#1D109F #9F104A #929F10 #109F65

split-complementary

#1D109F #9F6510 #4A9F10

monochromatic

#090530 #130A67 #1D109F #2716D7 #4E3EEC

Accessibility & contrast

On white

12.91

#1D109F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#1D109F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D109F

12.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D109F	#FFFFFF	#000000	##FFFFFF
##1D109F	1.00	12.91	1.63	12.91
#FFFFFF	12.91	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0038A3

Deuteranopia (green-blind)

#002A9D

Tritanopia (blue-blind)

#00425D

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1d109f;
/* rgb */ color: rgb(29, 16, 159);
/* oklch */ color: oklch(33.8% 0.206 270.8);

Tailwind

colors: {
  custom: {
    50: '#7456bd',
    500: '#1d109f',
    950: '#000000',
  },
}

SCSS

$custom: #1d109f;
$custom-light: #7456bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1d109f",
  "rgb": {
    "r": 29,
    "g": 16,
    "b": 159
  },
  "hsl": {
    "h": 245.455,
    "s": 81.714,
    "l": 34.314
  },
  "oklch": {
    "l": 0.33845,
    "c": 0.20626,
    "h": 270.8
  },
  "luminance": 0.03135
}

Semantic roles & 50–950 ramp

primary

#1D109F

secondary

#BECB40

accent

#F830E6

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0312

muted

#7C7881

Preview Lab

Preview with #1D109F

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

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