#1D198E#1D198E

#1D198E is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.6% C 0.180 H 271.7°. Best body text is #FFFFFF at 13.28:1 contrast (WCAG AA passes).

Color values

HEX	#1D198E
RGB	rgb(29, 25, 142)
HSL	hsl(242, 70%, 33%)
HSV	hsv(242, 82%, 56%)
CMYK	cmyk(79.6%, 82.4%, 0%, 44.3%)
CIE-LAB	lab(19.67, 42.34, -62.32)
CIE-LCH	lch(19.67, 75.35, 304.19°)
OKLab	oklab(32.6% 0.0053 -0.1804)
OKLCH	oklch(32.6% 0.18 271.7)
XYZ	xyz(5.7352, 2.9088, 25.8451)
Luminance	0.0291 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D198E #8A8E19

analogous

#19508E #1D198E #57198E

triadic

#1D198E #8E1D19 #198E1D

tetradic

#1D198E #8E1950 #8A8E19 #198E57

square

#1D198E #8E1950 #8A8E19 #198E57

split-complementary

#1D198E #8E5719 #508E19

monochromatic

#080726 #12105A #1D198E #2822C2 #4943DE

Accessibility & contrast

On white

13.28

#1D198E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1D198E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D198E

13.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D198E	#FFFFFF	#000000	##FFFFFF
##1D198E	1.00	13.28	1.58	13.28
#FFFFFF	13.28	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003591

Deuteranopia (green-blind)

#002A8C

Tritanopia (blue-blind)

#003E54

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1d198e;
/* rgb */ color: rgb(29, 25, 142);
/* oklch */ color: oklch(32.6% 0.180 271.7);

Tailwind

colors: {
  custom: {
    50: '#6f59b0',
    500: '#1d198e',
    950: '#000000',
  },
}

SCSS

$custom: #1d198e;
$custom-light: #6f59b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d198e",
  "rgb": {
    "r": 29,
    "g": 25,
    "b": 142
  },
  "hsl": {
    "h": 242.051,
    "s": 70.06,
    "l": 32.745
  },
  "oklch": {
    "l": 0.32604,
    "c": 0.18046,
    "h": 271.7
  },
  "luminance": 0.02909
}

Semantic roles & 50–950 ramp

primary

#1D198E

secondary

#BBBF44

accent

#ED3BE7

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1D198E

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

Preview Lab → · Contrast checker → · Palette generator →