#1F2192#1F2192

#1F2192 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 34.2% C 0.178 H 271.3°. Best body text is #FFFFFF at 12.42:1 contrast (WCAG AA passes).

Color values

HEX	#1F2192
RGB	rgb(31, 33, 146)
HSL	hsl(239, 65%, 35%)
HSV	hsv(239, 79%, 57%)
CMYK	cmyk(78.8%, 77.4%, 0%, 42.7%)
CIE-LAB	lab(21.78, 39.47, -61.33)
CIE-LCH	lch(21.78, 72.93, 302.77°)
OKLab	oklab(34.25% 0.0041 -0.1776)
OKLCH	oklch(34.25% 0.178 271.3)
XYZ	xyz(6.2955, 3.4537, 27.5234)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2192 #92901F

analogous

#1F5A92 #1F2192 #571F92

triadic

#1F2192 #921F21 #21921F

tetradic

#1F2192 #921F5A #92901F #1F9257

square

#1F2192 #921F5A #92901F #1F9257

split-complementary

#1F2192 #92571F #5A921F

monochromatic

#0A0A2D #141660 #1F2192 #2A2CC4 #5154DA

Accessibility & contrast

On white

12.42

#1F2192 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1F2192 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2192

12.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2192	#FFFFFF	#000000	##FFFFFF
##1F2192	1.00	12.42	1.69	12.42
#FFFFFF	12.42	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A95

Deuteranopia (green-blind)

#002E90

Tritanopia (blue-blind)

#004358

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1f2192;
/* rgb */ color: rgb(31, 33, 146);
/* oklch */ color: oklch(34.2% 0.178 271.3);

Tailwind

colors: {
  custom: {
    50: '#705eb3',
    500: '#1f2192',
    950: '#000000',
  },
}

SCSS

$custom: #1f2192;
$custom-light: #705eb3;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2192",
  "rgb": {
    "r": 31,
    "g": 33,
    "b": 146
  },
  "hsl": {
    "h": 238.957,
    "s": 64.972,
    "l": 34.706
  },
  "oklch": {
    "l": 0.34247,
    "c": 0.17761,
    "h": 271.3
  },
  "luminance": 0.03454
}

Semantic roles & 50–950 ramp

primary

#1F2192

secondary

#BDBB50

accent

#E540E8

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1F2192

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

Preview Lab → · Contrast checker → · Palette generator →