#1F1686#1F1686

#1F1686 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.4% C 0.173 H 273.6°. Best body text is #FFFFFF at 13.84:1 contrast (WCAG AA passes).

Color values

HEX	#1F1686
RGB	rgb(31, 22, 134)
HSL	hsl(245, 72%, 31%)
HSV	hsv(245, 84%, 53%)
CMYK	cmyk(76.9%, 83.6%, 0%, 47.5%)
CIE-LAB	lab(18.30, 41.39, -59.58)
CIE-LCH	lch(18.30, 72.55, 304.79°)
OKLab	oklab(31.4% 0.0109 -0.1723)
OKLCH	oklch(31.4% 0.173 273.6)
XYZ	xyz(5.1536, 2.5858, 22.7771)
Luminance	0.0259 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1686 #7D8616

analogous

#164586 #1F1686 #571686

triadic

#1F1686 #861F16 #16861F

tetradic

#1F1686 #861645 #7D8616 #168657

square

#1F1686 #861645 #7D8616 #168657

split-complementary

#1F1686 #865716 #458616

monochromatic

#07051D #130D51 #1F1686 #2B1FBB #4538DE

Accessibility & contrast

On white

13.84

#1F1686 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#1F1686 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1686

13.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1686	#FFFFFF	#000000	##FFFFFF
##1F1686	1.00	13.84	1.52	13.84
#FFFFFF	13.84	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003289

Deuteranopia (green-blind)

#002784

Tritanopia (blue-blind)

#00394F

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1f1686;
/* rgb */ color: rgb(31, 22, 134);
/* oklch */ color: oklch(31.4% 0.173 273.6);

Tailwind

colors: {
  custom: {
    50: '#6e57ab',
    500: '#1f1686',
    950: '#000000',
  },
}

SCSS

$custom: #1f1686;
$custom-light: #6e57ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1686",
  "rgb": {
    "r": 31,
    "g": 22,
    "b": 134
  },
  "hsl": {
    "h": 244.821,
    "s": 71.795,
    "l": 30.588
  },
  "oklch": {
    "l": 0.314,
    "c": 0.17269,
    "h": 273.6
  },
  "luminance": 0.02586
}

Semantic roles & 50–950 ramp

primary

#1F1686

secondary

#B0BA3E

accent

#EF39E0

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #1F1686

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

Preview Lab → · Contrast checker → · Palette generator →