#1F1685#1F1685

#1F1685 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.3% C 0.171 H 273.7°. Best body text is #FFFFFF at 13.89:1 contrast (WCAG AA passes).

Color values

HEX	#1F1685
RGB	rgb(31, 22, 133)
HSL	hsl(245, 72%, 30%)
HSV	hsv(245, 83%, 52%)
CMYK	cmyk(76.7%, 83.5%, 0%, 47.8%)
CIE-LAB	lab(18.18, 41.07, -59.16)
CIE-LCH	lch(18.18, 72.01, 304.77°)
OKLab	oklab(31.28% 0.0111 -0.1711)
OKLCH	oklch(31.28% 0.171 273.7)
XYZ	xyz(5.0842, 2.5581, 22.4116)
Luminance	0.0256 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1685 #7C8516

analogous

#164485 #1F1685 #561685

triadic

#1F1685 #851F16 #16851F

tetradic

#1F1685 #851644 #7C8516 #168556

square

#1F1685 #851644 #7C8516 #168556

split-complementary

#1F1685 #855616 #448516

monochromatic

#07051C #130D50 #1F1685 #2B1FBA #4537DE

Accessibility & contrast

On white

13.89

#1F1685 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#1F1685 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1685

13.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1685	#FFFFFF	#000000	##FFFFFF
##1F1685	1.00	13.89	1.51	13.89
#FFFFFF	13.89	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003188

Deuteranopia (green-blind)

#002783

Tritanopia (blue-blind)

#00394E

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1f1685;
/* rgb */ color: rgb(31, 22, 133);
/* oklch */ color: oklch(31.3% 0.171 273.7);

Tailwind

colors: {
  custom: {
    50: '#6e57aa',
    500: '#1f1685',
    950: '#000000',
  },
}

SCSS

$custom: #1f1685;
$custom-light: #6e57aa;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1685",
  "rgb": {
    "r": 31,
    "g": 22,
    "b": 133
  },
  "hsl": {
    "h": 244.865,
    "s": 71.613,
    "l": 30.392
  },
  "oklch": {
    "l": 0.31279,
    "c": 0.17147,
    "h": 273.7
  },
  "luminance": 0.02559
}

Semantic roles & 50–950 ramp

primary

#1F1685

secondary

#AFB93E

accent

#EE39E0

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #1F1685

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

Preview Lab → · Contrast checker → · Palette generator →