#1D1A9F#1D1A9F

#1D1A9F is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.8% C 0.200 H 270.3°. Best body text is #FFFFFF at 12.35:1 contrast (WCAG AA passes).

Color values

HEX	#1D1A9F
RGB	rgb(29, 26, 159)
HSL	hsl(241, 72%, 36%)
HSV	hsv(241, 84%, 62%)
CMYK	cmyk(81.8%, 83.6%, 0%, 37.6%)
CIE-LAB	lab(21.95, 47.30, -69.03)
CIE-LCH	lch(21.95, 83.69, 304.42°)
OKLab	oklab(34.79% 0.0012 -0.1998)
OKLCH	oklch(34.79% 0.2 270.3)
XYZ	xyz(7.1320, 3.5024, 33.0943)
Luminance	0.0350 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1A9F #9C9F1A

analogous

#1A5A9F #1D1A9F #601A9F

triadic

#1D1A9F #9F1D1A #1A9F1D

tetradic

#1D1A9F #9F1A5A #9C9F1A #1A9F60

square

#1D1A9F #9F1A5A #9C9F1A #1A9F60

split-complementary

#1D1A9F #9F601A #5A9F1A

monochromatic

#0A0936 #13116A #1D1A9F #2723D4 #5451E3

Accessibility & contrast

On white

12.35

#1D1A9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1D1A9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1A9F

12.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1A9F	#FFFFFF	#000000	##FFFFFF
##1D1A9F	1.00	12.35	1.70	12.35
#FFFFFF	12.35	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003BA3

Deuteranopia (green-blind)

#002E9D

Tritanopia (blue-blind)

#00455E

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1d1a9f;
/* rgb */ color: rgb(29, 26, 159);
/* oklch */ color: oklch(34.8% 0.200 270.3);

Tailwind

colors: {
  custom: {
    50: '#745bbd',
    500: '#1d1a9f',
    950: '#000000',
  },
}

SCSS

$custom: #1d1a9f;
$custom-light: #745bbd;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1a9f",
  "rgb": {
    "r": 29,
    "g": 26,
    "b": 159
  },
  "hsl": {
    "h": 241.353,
    "s": 71.892,
    "l": 36.275
  },
  "oklch": {
    "l": 0.34791,
    "c": 0.19982,
    "h": 270.3
  },
  "luminance": 0.03503
}

Semantic roles & 50–950 ramp

primary

#1D1A9F

secondary

#C2C550

accent

#EF39EB

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1D1A9F

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

Preview Lab → · Contrast checker → · Palette generator →