#1F1280#1F1280

#1F1280 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.2% C 0.169 H 274.7°. Best body text is #FFFFFF at 14.42:1 contrast (WCAG AA passes).

Color values

HEX	#1F1280
RGB	rgb(31, 18, 128)
HSL	hsl(247, 75%, 29%)
HSV	hsv(247, 86%, 50%)
CMYK	cmyk(75.8%, 85.9%, 0%, 49.8%)
CIE-LAB	lab(16.90, 41.39, -58.11)
CIE-LCH	lch(16.90, 71.34, 305.46°)
OKLab	oklab(30.22% 0.0139 -0.168)
OKLCH	oklch(30.22% 0.169 274.7)
XYZ	xyz(4.6764, 2.2820, 20.6119)
Luminance	0.0228 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1280 #738012

analogous

#123C80 #1F1280 #561280

triadic

#1F1280 #801F12 #12801F

tetradic

#1F1280 #80123C #738012 #128056

square

#1F1280 #80123C #738012 #128056

split-complementary

#1F1280 #805612 #3C8012

monochromatic

#06041B #120A4A #1F1280 #2C1AB6 #412BE1

Accessibility & contrast

On white

14.42

#1F1280 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#1F1280 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1280

14.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1280	#FFFFFF	#000000	##FFFFFF
##1F1280	1.00	14.42	1.46	14.42
#FFFFFF	14.42	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E83

Deuteranopia (green-blind)

#00257E

Tritanopia (blue-blind)

#00364B

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1f1280;
/* rgb */ color: rgb(31, 18, 128);
/* oklch */ color: oklch(30.2% 0.169 274.7);

Tailwind

colors: {
  custom: {
    50: '#6d54a6',
    500: '#1f1280',
    950: '#000000',
  },
}

SCSS

$custom: #1f1280;
$custom-light: #6d54a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1280",
  "rgb": {
    "r": 31,
    "g": 18,
    "b": 128
  },
  "hsl": {
    "h": 247.091,
    "s": 75.342,
    "l": 28.627
  },
  "oklch": {
    "l": 0.30217,
    "c": 0.16858,
    "h": 274.7
  },
  "luminance": 0.02282
}

Semantic roles & 50–950 ramp

primary

#1F1280

secondary

#A7B638

accent

#F236DC

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #1F1280

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

Preview Lab → · Contrast checker → · Palette generator →