#1D199D#1D199D

#1D199D is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.4% C 0.198 H 270.5°. Best body text is #FFFFFF at 12.51:1 contrast (WCAG AA passes).

Color values

HEX	#1D199D
RGB	rgb(29, 25, 157)
HSL	hsl(242, 73%, 36%)
HSV	hsv(242, 84%, 62%)
CMYK	cmyk(81.5%, 84.1%, 0%, 38.4%)
CIE-LAB	lab(21.54, 47.14, -68.49)
CIE-LCH	lch(21.54, 83.15, 304.54°)
OKLab	oklab(34.44% 0.0018 -0.1982)
OKLCH	oklch(34.44% 0.198 270.5)
XYZ	xyz(6.9381, 3.3900, 32.1804)
Luminance	0.0339 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D199D #999D19

analogous

#19579D #1D199D #5F199D

triadic

#1D199D #9D1D19 #199D1D

tetradic

#1D199D #9D1957 #999D19 #199D5F

square

#1D199D #9D1957 #999D19 #199D5F

split-complementary

#1D199D #9D5F19 #579D19

monochromatic

#090833 #131168 #1D199D #2721D2 #524EE3

Accessibility & contrast

On white

12.51

#1D199D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1D199D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D199D

12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D199D	#FFFFFF	#000000	##FFFFFF
##1D199D	1.00	12.51	1.68	12.51
#FFFFFF	12.51	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003AA1

Deuteranopia (green-blind)

#002D9B

Tritanopia (blue-blind)

#00445D

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1d199d;
/* rgb */ color: rgb(29, 25, 157);
/* oklch */ color: oklch(34.4% 0.198 270.5);

Tailwind

colors: {
  custom: {
    50: '#735abb',
    500: '#1d199d',
    950: '#000000',
  },
}

SCSS

$custom: #1d199d;
$custom-light: #735abb;
$custom-dark: #000000;

JSON

{
  "hex": "#1d199d",
  "rgb": {
    "r": 29,
    "g": 25,
    "b": 157
  },
  "hsl": {
    "h": 241.818,
    "s": 72.527,
    "l": 35.686
  },
  "oklch": {
    "l": 0.34436,
    "c": 0.19825,
    "h": 270.5
  },
  "luminance": 0.03391
}

Semantic roles & 50–950 ramp

primary

#1D199D

secondary

#C1C54D

accent

#EF39EA

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1D199D

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

Preview Lab → · Contrast checker → · Palette generator →