#1F1F85#1F1F85

#1F1F85 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.5% C 0.163 H 272.6°. Best body text is #FFFFFF at 13.18:1 contrast (WCAG AA passes).

Color values

HEX	#1F1F85
RGB	rgb(31, 31, 133)
HSL	hsl(240, 62%, 32%)
HSV	hsv(240, 77%, 52%)
CMYK	cmyk(76.7%, 76.7%, 0%, 47.8%)
CIE-LAB	lab(19.90, 36.13, -56.31)
CIE-LCH	lch(19.90, 66.90, 302.68°)
OKLab	oklab(32.49% 0.0075 -0.163)
OKLCH	oklch(32.49% 0.163 272.6)
XYZ	xyz(5.2873, 2.9642, 22.4792)
Luminance	0.0296 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1F85 #85851F

analogous

#1F5285 #1F1F85 #521F85

triadic

#1F1F85 #851F1F #1F851F

tetradic

#1F1F85 #851F52 #85851F #1F8552

square

#1F1F85 #851F52 #85851F #1F8552

split-complementary

#1F1F85 #85521F #52851F

monochromatic

#080822 #131353 #1F1F85 #2B2BB7 #4A4AD5

Accessibility & contrast

On white

13.18

#1F1F85 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#1F1F85 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1F85

13.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1F85	#FFFFFF	#000000	##FFFFFF
##1F1F85	1.00	13.18	1.59	13.18
#FFFFFF	13.18	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003588

Deuteranopia (green-blind)

#002B83

Tritanopia (blue-blind)

#003D50

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1f1f85;
/* rgb */ color: rgb(31, 31, 133);
/* oklch */ color: oklch(32.5% 0.163 272.6);

Tailwind

colors: {
  custom: {
    50: '#6d5caa',
    500: '#1f1f85',
    950: '#000000',
  },
}

SCSS

$custom: #1f1f85;
$custom-light: #6d5caa;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1f85",
  "rgb": {
    "r": 31,
    "g": 31,
    "b": 133
  },
  "hsl": {
    "h": 240,
    "s": 62.195,
    "l": 32.157
  },
  "oklch": {
    "l": 0.32486,
    "c": 0.16313,
    "h": 272.6
  },
  "luminance": 0.02965
}

Semantic roles & 50–950 ramp

primary

#1F1F85

secondary

#B7B749

accent

#E543E5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1F1F85

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

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