#1F1364#1F1364

#1F1364 is a dark, vivid blue. Relative luminance 0.017; OKLCH L 27.0% C 0.133 H 279.5°. Best body text is #FFFFFF at 15.73:1 contrast (WCAG AA passes).

Color values

HEX	#1F1364
RGB	rgb(31, 19, 100)
HSL	hsl(249, 68%, 23%)
HSV	hsv(249, 81%, 39%)
CMYK	cmyk(69%, 81%, 0%, 60.8%)
CIE-LAB	lab(13.69, 31.73, -45.27)
CIE-LCH	lch(13.69, 55.28, 305.03°)
OKLab	oklab(27% 0.0218 -0.1307)
OKLCH	oklch(27% 0.133 279.5)
XYZ	xyz(3.0975, 1.6769, 12.2146)
Luminance	0.0168 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1364 #586413

analogous

#132F64 #1F1364 #471364

triadic

#1F1364 #641F13 #13641F

tetradic

#1F1364 #64132F #586413 #136447

square

#1F1364 #64132F #586413 #136447

split-complementary

#1F1364 #644713 #2F6413

monochromatic

#08051A #0F0931 #1F1364 #2F1D97 #3F27CB

Accessibility & contrast

On white

15.73

#1F1364 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#1F1364 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1364

15.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1364	#FFFFFF	#000000	##FFFFFF
##1F1364	1.00	15.73	1.34	15.73
#FFFFFF	15.73	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002666

Deuteranopia (green-blind)

#002063

Tritanopia (blue-blind)

#002B3B

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #1f1364;
/* rgb */ color: rgb(31, 19, 100);
/* oklch */ color: oklch(27.0% 0.133 279.5);

Tailwind

colors: {
  custom: {
    50: '#665391',
    500: '#1f1364',
    950: '#000000',
  },
}

SCSS

$custom: #1f1364;
$custom-light: #665391;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1364",
  "rgb": {
    "r": 31,
    "g": 19,
    "b": 100
  },
  "hsl": {
    "h": 248.889,
    "s": 68.067,
    "l": 23.333
  },
  "oklch": {
    "l": 0.26995,
    "c": 0.1325,
    "h": 279.5
  },
  "luminance": 0.01677
}

Semantic roles & 50–950 ramp

primary

#1F1364

secondary

#8D9C37

accent

#EB3DD1

background

#F6F4F9

surface

#EBE7F1

border

#C6C3CB

text

#06020D

muted

#7A787E

Preview Lab

Preview with #1F1364

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

Preview Lab → · Contrast checker → · Palette generator →