#1F1982#1F1982

#1F1982 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.3% C 0.165 H 273.7°. Best body text is #FFFFFF at 13.82:1 contrast (WCAG AA passes).

Color values

HEX	#1F1982
RGB	rgb(31, 25, 130)
HSL	hsl(243, 68%, 30%)
HSV	hsv(243, 81%, 51%)
CMYK	cmyk(76.2%, 80.8%, 0%, 49%)
CIE-LAB	lab(18.36, 38.52, -56.97)
CIE-LCH	lch(18.36, 68.77, 304.06°)
OKLab	oklab(31.3% 0.0108 -0.1648)
OKLCH	oklch(31.3% 0.165 273.7)
XYZ	xyz(4.9406, 2.5978, 21.3558)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1982 #7C8219

analogous

#194782 #1F1982 #541982

triadic

#1F1982 #821F19 #19821F

tetradic

#1F1982 #821947 #7C8219 #198254

square

#1F1982 #821947 #7C8219 #198254

split-complementary

#1F1982 #825419 #478219

monochromatic

#07051B #130F4F #1F1982 #2B23B5 #453CD9

Accessibility & contrast

On white

13.82

#1F1982 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#1F1982 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1982

13.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1982	#FFFFFF	#000000	##FFFFFF
##1F1982	1.00	13.82	1.52	13.82
#FFFFFF	13.82	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003285

Deuteranopia (green-blind)

#002880

Tritanopia (blue-blind)

#00394D

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1f1982;
/* rgb */ color: rgb(31, 25, 130);
/* oklch */ color: oklch(31.3% 0.165 273.7);

Tailwind

colors: {
  custom: {
    50: '#6d58a8',
    500: '#1f1982',
    950: '#000000',
  },
}

SCSS

$custom: #1f1982;
$custom-light: #6d58a8;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1982",
  "rgb": {
    "r": 31,
    "g": 25,
    "b": 130
  },
  "hsl": {
    "h": 243.429,
    "s": 67.742,
    "l": 30.392
  },
  "oklch": {
    "l": 0.31296,
    "c": 0.16516,
    "h": 273.7
  },
  "luminance": 0.02598
}

Semantic roles & 50–950 ramp

primary

#1F1982

secondary

#AFB641

accent

#EB3DE1

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #1F1982

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

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