#1D198F#1D198F

#1D198F is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.7% C 0.182 H 271.6°. Best body text is #FFFFFF at 13.22:1 contrast (WCAG AA passes).

Color values

HEX	#1D198F
RGB	rgb(29, 25, 143)
HSL	hsl(242, 70%, 33%)
HSV	hsv(242, 83%, 56%)
CMYK	cmyk(79.7%, 82.5%, 0%, 43.9%)
CIE-LAB	lab(19.80, 42.67, -62.74)
CIE-LCH	lch(19.80, 75.88, 304.22°)
OKLab	oklab(32.73% 0.0051 -0.1816)
OKLCH	oklch(32.73% 0.182 271.6)
XYZ	xyz(5.8106, 2.9390, 26.2423)
Luminance	0.0294 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D198F #8B8F19

analogous

#19508F #1D198F #58198F

triadic

#1D198F #8F1D19 #198F1D

tetradic

#1D198F #8F1950 #8B8F19 #198F58

square

#1D198F #8F1950 #8B8F19 #198F58

split-complementary

#1D198F #8F5819 #508F19

monochromatic

#080727 #12105B #1D198F #2822C3 #4944DE

Accessibility & contrast

On white

13.22

#1D198F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#1D198F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D198F

13.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D198F	#FFFFFF	#000000	##FFFFFF
##1D198F	1.00	13.22	1.59	13.22
#FFFFFF	13.22	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003692

Deuteranopia (green-blind)

#002A8D

Tritanopia (blue-blind)

#003E55

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1d198f;
/* rgb */ color: rgb(29, 25, 143);
/* oklch */ color: oklch(32.7% 0.182 271.6);

Tailwind

colors: {
  custom: {
    50: '#7059b1',
    500: '#1d198f',
    950: '#000000',
  },
}

SCSS

$custom: #1d198f;
$custom-light: #7059b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d198f",
  "rgb": {
    "r": 29,
    "g": 25,
    "b": 143
  },
  "hsl": {
    "h": 242.034,
    "s": 70.238,
    "l": 32.941
  },
  "oklch": {
    "l": 0.32725,
    "c": 0.18167,
    "h": 271.6
  },
  "luminance": 0.0294
}

Semantic roles & 50–950 ramp

primary

#1D198F

secondary

#BBBF44

accent

#ED3BE7

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1D198F

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

Preview Lab → · Contrast checker → · Palette generator →