#1D198B#1D198B

#1D198B is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.2% C 0.177 H 272.0°. Best body text is #FFFFFF at 13.43:1 contrast (WCAG AA passes).

Color values

HEX	#1D198B
RGB	rgb(29, 25, 139)
HSL	hsl(242, 70%, 32%)
HSV	hsv(242, 82%, 55%)
CMYK	cmyk(79.1%, 82%, 0%, 45.5%)
CIE-LAB	lab(19.31, 41.36, -61.06)
CIE-LCH	lch(19.31, 73.75, 304.11°)
OKLab	oklab(32.24% 0.006 -0.1767)
OKLCH	oklch(32.24% 0.177 272)
XYZ	xyz(5.5130, 2.8200, 24.6748)
Luminance	0.0282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D198B #878B19

analogous

#194E8B #1D198B #56198B

triadic

#1D198B #8B1D19 #198B1D

tetradic

#1D198B #8B194E #878B19 #198B56

square

#1D198B #8B194E #878B19 #198B56

split-complementary

#1D198B #8B5619 #4E8B19

monochromatic

#070623 #121057 #1D198B #2822BF #4741DD

Accessibility & contrast

On white

13.43

#1D198B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1D198B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D198B

13.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D198B	#FFFFFF	#000000	##FFFFFF
##1D198B	1.00	13.43	1.56	13.43
#FFFFFF	13.43	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348E

Deuteranopia (green-blind)

#002989

Tritanopia (blue-blind)

#003D52

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1d198b;
/* rgb */ color: rgb(29, 25, 139);
/* oklch */ color: oklch(32.2% 0.177 272.0);

Tailwind

colors: {
  custom: {
    50: '#6e59ae',
    500: '#1d198b',
    950: '#000000',
  },
}

SCSS

$custom: #1d198b;
$custom-light: #6e59ae;
$custom-dark: #000000;

JSON

{
  "hex": "#1d198b",
  "rgb": {
    "r": 29,
    "g": 25,
    "b": 139
  },
  "hsl": {
    "h": 242.105,
    "s": 69.512,
    "l": 32.157
  },
  "oklch": {
    "l": 0.32242,
    "c": 0.17682,
    "h": 272
  },
  "luminance": 0.02821
}

Semantic roles & 50–950 ramp

primary

#1D198B

secondary

#B9BE42

accent

#EC3BE6

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090410

muted

#7B797F

Preview Lab

Preview with #1D198B

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

Preview Lab → · Contrast checker → · Palette generator →