#1F1168#1F1168

#1F1168 is a dark, vivid blue. Relative luminance 0.017; OKLCH L 27.2% C 0.140 H 279.0°. Best body text is #FFFFFF at 15.69:1 contrast (WCAG AA passes).

Color values

HEX	#1F1168
RGB	rgb(31, 17, 104)
HSL	hsl(250, 72%, 24%)
HSV	hsv(250, 84%, 41%)
CMYK	cmyk(70.2%, 83.7%, 0%, 59.2%)
CIE-LAB	lab(13.78, 34.16, -47.77)
CIE-LCH	lch(13.78, 58.73, 305.57°)
OKLab	oklab(27.19% 0.0218 -0.1379)
OKLCH	oklch(27.19% 0.14 279)
XYZ	xyz(3.2634, 1.6914, 13.2485)
Luminance	0.0169 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1F1168 #5A6811

analogous

#112E68 #1F1168 #4A1168

triadic

#1F1168 #681F11 #11681F

tetradic

#1F1168 #68112E #5A6811 #11684A

square

#1F1168 #68112E #5A6811 #11684A

split-complementary

#1F1168 #684A11 #2E6811

monochromatic

#08041A #0F0833 #1F1168 #2F1A9D #3E22D1

Accessibility & contrast

On white

15.69

#1F1168 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#1F1168 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1F1168

15.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1F1168	#FFFFFF	#000000	##FFFFFF
##1F1168	1.00	15.69	1.34	15.69
#FFFFFF	15.69	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00266A

Deuteranopia (green-blind)

#002066

Tritanopia (blue-blind)

#002B3D

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #1f1168;
/* rgb */ color: rgb(31, 17, 104);
/* oklch */ color: oklch(27.2% 0.140 279.0);

Tailwind

colors: {
  custom: {
    50: '#675294',
    500: '#1f1168',
    950: '#000000',
  },
}

SCSS

$custom: #1f1168;
$custom-light: #675294;
$custom-dark: #000000;

JSON

{
  "hex": "#1f1168",
  "rgb": {
    "r": 31,
    "g": 17,
    "b": 104
  },
  "hsl": {
    "h": 249.655,
    "s": 71.901,
    "l": 23.725
  },
  "oklch": {
    "l": 0.27193,
    "c": 0.13966,
    "h": 279
  },
  "luminance": 0.01692
}

Semantic roles & 50–950 ramp

primary

#1F1168

secondary

#8FA035

accent

#EF39D1

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020D

muted

#7A787E

Preview Lab

Preview with #1F1168

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

Preview Lab → · Contrast checker → · Palette generator →