#1F2190#1F2190

#1F2190 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.0% C 0.175 H 271.5°. Best body text is #FFFFFF at 12.51:1 contrast (WCAG AA passes).

Color values

HEX	#1F2190
RGB	rgb(31, 33, 144)
HSL	hsl(239, 65%, 34%)
HSV	hsv(239, 78%, 56%)
CMYK	cmyk(78.5%, 77.1%, 0%, 43.5%)
CIE-LAB	lab(21.55, 38.78, -60.46)
CIE-LCH	lch(21.55, 71.83, 302.68°)
OKLab	oklab(34.02% 0.0045 -0.175)
OKLCH	oklch(34.02% 0.175 271.5)
XYZ	xyz(6.1413, 3.3920, 26.7112)
Luminance	0.0339 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2190 #908E1F

analogous

#1F5A90 #1F2190 #561F90

triadic

#1F2190 #901F21 #21901F

tetradic

#1F2190 #901F5A #908E1F #1F9056

square

#1F2190 #901F5A #908E1F #1F9056

split-complementary

#1F2190 #90561F #5A901F

monochromatic

#090A2B #14155E #1F2190 #2A2DC2 #5052D9

Accessibility & contrast

On white

12.51

#1F2190 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1F2190 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2190

12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2190	#FFFFFF	#000000	##FFFFFF
##1F2190	1.00	12.51	1.68	12.51
#FFFFFF	12.51	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003993

Deuteranopia (green-blind)

#002E8E

Tritanopia (blue-blind)

#004257

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1f2190;
/* rgb */ color: rgb(31, 33, 144);
/* oklch */ color: oklch(34.0% 0.175 271.5);

Tailwind

colors: {
  custom: {
    50: '#705eb2',
    500: '#1f2190',
    950: '#000000',
  },
}

SCSS

$custom: #1f2190;
$custom-light: #705eb2;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2190",
  "rgb": {
    "r": 31,
    "g": 33,
    "b": 144
  },
  "hsl": {
    "h": 238.938,
    "s": 64.571,
    "l": 34.314
  },
  "oklch": {
    "l": 0.3402,
    "c": 0.1751,
    "h": 271.5
  },
  "luminance": 0.03393
}

Semantic roles & 50–950 ramp

primary

#1F2190

secondary

#BCBA4E

accent

#E540E8

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1F2190

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

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