#1F1984#1F1984

#1F1984 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.5% C 0.168 H 273.5°. Best body text is #FFFFFF at 13.72:1 contrast (WCAG AA passes).

Color values

HEX	#1F1984
RGB	rgb(31, 25, 132)
HSL	hsl(243, 68%, 31%)
HSV	hsv(243, 81%, 52%)
CMYK	cmyk(76.5%, 81.1%, 0%, 48.2%)
CIE-LAB	lab(18.59, 39.19, -57.84)
CIE-LCH	lch(18.59, 69.87, 304.12°)
OKLab	oklab(31.53% 0.0103 -0.1673)
OKLCH	oklch(31.53% 0.168 273.5)
XYZ	xyz(5.0762, 2.6520, 22.0697)
Luminance	0.0265 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1984 #7E8419

analogous

#194984 #1F1984 #541984

triadic

#1F1984 #841F19 #19841F

tetradic

#1F1984 #841949 #7E8419 #198454

square

#1F1984 #841949 #7E8419 #198454

split-complementary

#1F1984 #845419 #498419

monochromatic

#07061D #130F51 #1F1984 #2B23B7 #463DDA

Accessibility & contrast

On white

13.72

#1F1984 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#1F1984 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1984

13.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1984	#FFFFFF	#000000	##FFFFFF
##1F1984	1.00	13.72	1.53	13.72
#FFFFFF	13.72	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003287

Deuteranopia (green-blind)

#002882

Tritanopia (blue-blind)

#003A4E

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1f1984;
/* rgb */ color: rgb(31, 25, 132);
/* oklch */ color: oklch(31.5% 0.168 273.5);

Tailwind

colors: {
  custom: {
    50: '#6d58a9',
    500: '#1f1984',
    950: '#000000',
  },
}

SCSS

$custom: #1f1984;
$custom-light: #6d58a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1984",
  "rgb": {
    "r": 31,
    "g": 25,
    "b": 132
  },
  "hsl": {
    "h": 243.364,
    "s": 68.153,
    "l": 30.784
  },
  "oklch": {
    "l": 0.31532,
    "c": 0.16766,
    "h": 273.5
  },
  "luminance": 0.02653
}

Semantic roles & 50–950 ramp

primary

#1F1984

secondary

#B1B841

accent

#EB3DE1

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #1F1984

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

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