#1F2684#1F2684

#1F2684 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.5% C 0.154 H 271.5°. Best body text is #FFFFFF at 12.59:1 contrast (WCAG AA passes).

Color values

HEX	#1F2684
RGB	rgb(31, 38, 132)
HSL	hsl(236, 62%, 32%)
HSV	hsv(236, 77%, 52%)
CMYK	cmyk(76.5%, 71.2%, 0%, 48.2%)
CIE-LAB	lab(21.37, 31.40, -53.26)
CIE-LCH	lch(21.37, 61.83, 300.52°)
OKLab	oklab(33.51% 0.0039 -0.1541)
OKLCH	oklch(33.51% 0.154 271.5)
XYZ	xyz(5.4216, 3.3429, 22.1848)
Luminance	0.0334 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2684 #847D1F

analogous

#1F5884 #1F2684 #4B1F84

triadic

#1F2684 #841F26 #26841F

tetradic

#1F2684 #841F58 #847D1F #1F844B

square

#1F2684 #841F58 #847D1F #1F844B

split-complementary

#1F2684 #844B1F #58841F

monochromatic

#080921 #131852 #1F2684 #2B34B6 #4953D4

Accessibility & contrast

On white

12.59

#1F2684 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#1F2684 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2684

12.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2684	#FFFFFF	#000000	##FFFFFF
##1F2684	1.00	12.59	1.67	12.59
#FFFFFF	12.59	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003887

Deuteranopia (green-blind)

#002E82

Tritanopia (blue-blind)

#004052

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1f2684;
/* rgb */ color: rgb(31, 38, 132);
/* oklch */ color: oklch(33.5% 0.154 271.5);

Tailwind

colors: {
  custom: {
    50: '#6c61a9',
    500: '#1f2684',
    950: '#000000',
  },
}

SCSS

$custom: #1f2684;
$custom-light: #6c61a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2684",
  "rgb": {
    "r": 31,
    "g": 38,
    "b": 132
  },
  "hsl": {
    "h": 235.842,
    "s": 61.963,
    "l": 31.961
  },
  "oklch": {
    "l": 0.33505,
    "c": 0.15415,
    "h": 271.5
  },
  "luminance": 0.03343
}

Semantic roles & 50–950 ramp

primary

#1F2684

secondary

#B7AF48

accent

#DA43E5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1F2684

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

Preview Lab → · Contrast checker → · Palette generator →