#1D1D9E#1D1D9E

#1D1D9E is a dark, vivid blue. Relative luminance 0.036; OKLCH L 35.0% C 0.196 H 270.2°. Best body text is #FFFFFF at 12.20:1 contrast (WCAG AA passes).

Color values

HEX	#1D1D9E
RGB	rgb(29, 29, 158)
HSL	hsl(240, 69%, 37%)
HSV	hsv(240, 82%, 62%)
CMYK	cmyk(81.6%, 81.6%, 0%, 38%)
CIE-LAB	lab(22.33, 45.52, -67.80)
CIE-LCH	lch(22.33, 81.66, 303.88°)
OKLab	oklab(35.02% 0.0007 -0.1963)
OKLCH	oklch(35.02% 0.196 270.2)
XYZ	xyz(7.1155, 3.6077, 32.6625)
Luminance	0.0361 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1D9E #9E9E1D

analogous

#1D5E9E #1D1D9E #5E1D9E

triadic

#1D1D9E #9E1D1D #1D9E1D

tetradic

#1D1D9E #9E1D5E #9E9E1D #1D9E5E

square

#1D1D9E #9E1D5E #9E9E1D #1D9E5E

split-complementary

#1D1D9E #9E5E1D #5E9E1D

monochromatic

#0A0A37 #14146A #1D1D9E #2626D2 #5656E0

Accessibility & contrast

On white

12.20

#1D1D9E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#1D1D9E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1D9E

12.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1D9E	#FFFFFF	#000000	##FFFFFF
##1D1D9E	1.00	12.20	1.72	12.20
#FFFFFF	12.20	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA2

Deuteranopia (green-blind)

#002F9C

Tritanopia (blue-blind)

#00465E

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1d1d9e;
/* rgb */ color: rgb(29, 29, 158);
/* oklch */ color: oklch(35.0% 0.196 270.2);

Tailwind

colors: {
  custom: {
    50: '#735cbc',
    500: '#1d1d9e',
    950: '#000000',
  },
}

SCSS

$custom: #1d1d9e;
$custom-light: #735cbc;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1d9e",
  "rgb": {
    "r": 29,
    "g": 29,
    "b": 158
  },
  "hsl": {
    "h": 240,
    "s": 68.984,
    "l": 36.667
  },
  "oklch": {
    "l": 0.35017,
    "c": 0.1963,
    "h": 270.2
  },
  "luminance": 0.03609
}

Semantic roles & 50–950 ramp

primary

#1D1D9E

secondary

#C3C354

accent

#EC3CEC

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1D1D9E

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

Preview Lab → · Contrast checker → · Palette generator →