#1F1886#1F1886

#1F1886 is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.6% C 0.171 H 273.4°. Best body text is #FFFFFF at 13.70:1 contrast (WCAG AA passes).

Color values

HEX	#1F1886
RGB	rgb(31, 24, 134)
HSL	hsl(244, 70%, 31%)
HSV	hsv(244, 82%, 53%)
CMYK	cmyk(76.9%, 82.1%, 0%, 47.5%)
CIE-LAB	lab(18.65, 40.38, -59.01)
CIE-LCH	lch(18.65, 71.50, 304.38°)
OKLab	oklab(31.64% 0.0102 -0.1707)
OKLCH	oklch(31.64% 0.171 273.4)
XYZ	xyz(5.1933, 2.6653, 22.7904)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1886 #7F8618

analogous

#184886 #1F1886 #561886

triadic

#1F1886 #861F18 #18861F

tetradic

#1F1886 #861848 #7F8618 #188656

square

#1F1886 #861848 #7F8618 #188656

split-complementary

#1F1886 #865618 #488618

monochromatic

#07051E #130F52 #1F1886 #2B21BA #463CDC

Accessibility & contrast

On white

13.70

#1F1886 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#1F1886 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1886

13.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1886	#FFFFFF	#000000	##FFFFFF
##1F1886	1.00	13.70	1.53	13.70
#FFFFFF	13.70	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003289

Deuteranopia (green-blind)

#002884

Tritanopia (blue-blind)

#003A4F

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1f1886;
/* rgb */ color: rgb(31, 24, 134);
/* oklch */ color: oklch(31.6% 0.171 273.4);

Tailwind

colors: {
  custom: {
    50: '#6e58aa',
    500: '#1f1886',
    950: '#000000',
  },
}

SCSS

$custom: #1f1886;
$custom-light: #6e58aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1886",
  "rgb": {
    "r": 31,
    "g": 24,
    "b": 134
  },
  "hsl": {
    "h": 243.818,
    "s": 69.62,
    "l": 30.98
  },
  "oklch": {
    "l": 0.31642,
    "c": 0.17101,
    "h": 273.4
  },
  "luminance": 0.02666
}

Semantic roles & 50–950 ramp

primary

#1F1886

secondary

#B2BA40

accent

#EC3BE1

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #1F1886

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

Preview Lab → · Contrast checker → · Palette generator →