#1B0F6D#1B0F6D

#1B0F6D is a dark, vivid blue. Relative luminance 0.017; OKLCH L 27.2% C 0.149 H 275.8°. Best body text is #FFFFFF at 15.72:1 contrast (WCAG AA passes).

Color values

HEX	#1B0F6D
RGB	rgb(27, 15, 109)
HSL	hsl(248, 76%, 24%)
HSV	hsv(248, 86%, 43%)
CMYK	cmyk(75.2%, 86.2%, 0%, 57.3%)
CIE-LAB	lab(13.70, 36.44, -51.18)
CIE-LCH	lch(13.70, 62.83, 305.45°)
OKLab	oklab(27.23% 0.015 -0.1479)
OKLCH	oklch(27.23% 0.149 275.8)
XYZ	xyz(3.3822, 1.6785, 14.6108)
Luminance	0.0168 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B0F6D #616D0F

analogous

#0F326D #1B0F6D #4A0F6D

triadic

#1B0F6D #6D1B0F #0F6D1B

tetradic

#1B0F6D #6D0F32 #616D0F #0F6D4A

square

#1B0F6D #6D0F32 #616D0F #0F6D4A

split-complementary

#1B0F6D #6D4A0F #326D0F

monochromatic

#07041B #0E0837 #1B0F6D #2816A3 #361ED9

Accessibility & contrast

On white

15.72

#1B0F6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#1B0F6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B0F6D

15.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B0F6D	#FFFFFF	#000000	##FFFFFF
##1B0F6D	1.00	15.72	1.34	15.72
#FFFFFF	15.72	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002770

Deuteranopia (green-blind)

#001F6B

Tritanopia (blue-blind)

#002D3F

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #1b0f6d;
/* rgb */ color: rgb(27, 15, 109);
/* oklch */ color: oklch(27.2% 0.149 275.8);

Tailwind

colors: {
  custom: {
    50: '#675198',
    500: '#1b0f6d',
    950: '#000000',
  },
}

SCSS

$custom: #1b0f6d;
$custom-light: #675198;
$custom-dark: #000000;

JSON

{
  "hex": "#1b0f6d",
  "rgb": {
    "r": 27,
    "g": 15,
    "b": 109
  },
  "hsl": {
    "h": 247.66,
    "s": 75.806,
    "l": 24.314
  },
  "oklch": {
    "l": 0.27233,
    "c": 0.14871,
    "h": 275.8
  },
  "luminance": 0.01679
}

Semantic roles & 50–950 ramp

primary

#1B0F6D

secondary

#97A533

accent

#F235DA

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #1B0F6D

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

Preview Lab → · Contrast checker → · Palette generator →