#1F196A#1F196A

#1F196A is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.6% C 0.134 H 277.0°. Best body text is #FFFFFF at 14.94:1 contrast (WCAG AA passes).

Color values

HEX	#1F196A
RGB	rgb(31, 25, 106)
HSL	hsl(244, 62%, 26%)
HSV	hsv(244, 76%, 42%)
CMYK	cmyk(70.8%, 76.4%, 0%, 58.4%)
CIE-LAB	lab(15.63, 30.23, -46.03)
CIE-LCH	lch(15.63, 55.07, 303.30°)
OKLab	oklab(28.56% 0.0163 -0.133)
OKLCH	oklch(28.56% 0.134 277)
XYZ	xyz(3.5134, 2.0269, 13.8389)
Luminance	0.0203 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F196A #646A19

analogous

#193B6A #1F196A #47196A

triadic

#1F196A #6A1F19 #196A1F

tetradic

#1F196A #6A193B #646A19 #196A47

square

#1F196A #6A193B #646A19 #196A47

split-complementary

#1F196A #6A4719 #3B6A19

monochromatic

#070619 #110D38 #1F196A #2D259C #3C30CD

Accessibility & contrast

On white

14.94

#1F196A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#1F196A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F196A

14.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F196A	#FFFFFF	#000000	##FFFFFF
##1F196A	1.00	14.94	1.41	14.94
#FFFFFF	14.94	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A6C

Deuteranopia (green-blind)

#002369

Tritanopia (blue-blind)

#003040

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #1f196a;
/* rgb */ color: rgb(31, 25, 106);
/* oklch */ color: oklch(28.6% 0.134 277.0);

Tailwind

colors: {
  custom: {
    50: '#675796',
    500: '#1f196a',
    950: '#000000',
  },
}

SCSS

$custom: #1f196a;
$custom-light: #675796;
$custom-dark: #000000;

JSON

{
  "hex": "#1f196a",
  "rgb": {
    "r": 31,
    "g": 25,
    "b": 106
  },
  "hsl": {
    "h": 244.444,
    "s": 61.832,
    "l": 25.686
  },
  "oklch": {
    "l": 0.28563,
    "c": 0.13396,
    "h": 277
  },
  "luminance": 0.02027
}

Semantic roles & 50–950 ramp

primary

#1F196A

secondary

#98A03F

accent

#E543D9

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030D

muted

#7A787E

Preview Lab

Preview with #1F196A

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

Preview Lab → · Contrast checker → · Palette generator →