#1F2384#1F2384

#1F2384 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.0% C 0.158 H 272.0°. Best body text is #FFFFFF at 12.87:1 contrast (WCAG AA passes).

Color values

HEX	#1F2384
RGB	rgb(31, 35, 132)
HSL	hsl(238, 62%, 32%)
HSV	hsv(238, 77%, 52%)
CMYK	cmyk(76.5%, 73.5%, 0%, 48.2%)
CIE-LAB	lab(20.67, 33.32, -54.41)
CIE-LCH	lch(20.67, 63.80, 301.48°)
OKLab	oklab(33% 0.0056 -0.1574)
OKLCH	oklch(33% 0.158 272)
XYZ	xyz(5.3296, 3.1588, 22.1541)
Luminance	0.0316 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F2384 #84801F

analogous

#1F5684 #1F2384 #4E1F84

triadic

#1F2384 #841F23 #23841F

tetradic

#1F2384 #841F56 #84801F #1F844E

square

#1F2384 #841F56 #84801F #1F844E

split-complementary

#1F2384 #844E1F #56841F

monochromatic

#080921 #131652 #1F2384 #2B30B6 #494FD4

Accessibility & contrast

On white

12.87

#1F2384 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#1F2384 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F2384

12.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F2384	#FFFFFF	#000000	##FFFFFF
##1F2384	1.00	12.87	1.63	12.87
#FFFFFF	12.87	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003787

Deuteranopia (green-blind)

#002D82

Tritanopia (blue-blind)

#003E51

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1f2384;
/* rgb */ color: rgb(31, 35, 132);
/* oklch */ color: oklch(33.0% 0.158 272.0);

Tailwind

colors: {
  custom: {
    50: '#6c5fa9',
    500: '#1f2384',
    950: '#000000',
  },
}

SCSS

$custom: #1f2384;
$custom-light: #6c5fa9;
$custom-dark: #000000;

JSON

{
  "hex": "#1f2384",
  "rgb": {
    "r": 31,
    "g": 35,
    "b": 132
  },
  "hsl": {
    "h": 237.624,
    "s": 61.963,
    "l": 31.961
  },
  "oklch": {
    "l": 0.33002,
    "c": 0.15755,
    "h": 272
  },
  "luminance": 0.03159
}

Semantic roles & 50–950 ramp

primary

#1F2384

secondary

#B7B248

accent

#DF43E5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1F2384

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

Preview Lab → · Contrast checker → · Palette generator →