#1F1680#1F1680

#1F1680 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.7% C 0.165 H 274.3°. Best body text is #FFFFFF at 14.14:1 contrast (WCAG AA passes).

Color values

HEX	#1F1680
RGB	rgb(31, 22, 128)
HSL	hsl(245, 71%, 29%)
HSV	hsv(245, 83%, 50%)
CMYK	cmyk(75.8%, 82.8%, 0%, 49.8%)
CIE-LAB	lab(17.57, 39.44, -57.01)
CIE-LCH	lch(17.57, 69.32, 304.68°)
OKLab	oklab(30.68% 0.0125 -0.1649)
OKLCH	oklch(30.68% 0.165 274.3)
XYZ	xyz(4.7470, 2.4232, 20.6354)
Luminance	0.0242 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1680 #778016

analogous

#164280 #1F1680 #541680

triadic

#1F1680 #801F16 #16801F

tetradic

#1F1680 #801642 #778016 #168054

square

#1F1680 #801642 #778016 #168054

split-complementary

#1F1680 #805416 #428016

monochromatic

#06041A #120D4C #1F1680 #2C1FB4 #4334DC

Accessibility & contrast

On white

14.14

#1F1680 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#1F1680 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1680

14.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1680	#FFFFFF	#000000	##FFFFFF
##1F1680	1.00	14.14	1.48	14.14
#FFFFFF	14.14	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003083

Deuteranopia (green-blind)

#00267E

Tritanopia (blue-blind)

#00374B

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1f1680;
/* rgb */ color: rgb(31, 22, 128);
/* oklch */ color: oklch(30.7% 0.165 274.3);

Tailwind

colors: {
  custom: {
    50: '#6d56a6',
    500: '#1f1680',
    950: '#000000',
  },
}

SCSS

$custom: #1f1680;
$custom-light: #6d56a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1680",
  "rgb": {
    "r": 31,
    "g": 22,
    "b": 128
  },
  "hsl": {
    "h": 245.094,
    "s": 70.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.30677,
    "c": 0.16534,
    "h": 274.3
  },
  "luminance": 0.02424
}

Semantic roles & 50–950 ramp

primary

#1F1680

secondary

#ABB53D

accent

#ED3ADE

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08030F

muted

#7B787F

Preview Lab

Preview with #1F1680

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

Preview Lab → · Contrast checker → · Palette generator →