#1B116F#1B116F

#1B116F is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.7% C 0.150 H 275.2°. Best body text is #FFFFFF at 15.48:1 contrast (WCAG AA passes).

Color values

HEX	#1B116F
RGB	rgb(27, 17, 111)
HSL	hsl(246, 73%, 25%)
HSV	hsv(246, 85%, 44%)
CMYK	cmyk(75.7%, 84.7%, 0%, 56.5%)
CIE-LAB	lab(14.29, 36.09, -51.50)
CIE-LCH	lch(14.29, 62.89, 305.02°)
OKLab	oklab(27.72% 0.0136 -0.1489)
OKLCH	oklch(27.72% 0.15 275.2)
XYZ	xyz(3.5207, 1.7813, 15.1941)
Luminance	0.0178 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B116F #656F11

analogous

#11366F #1B116F #4A116F

triadic

#1B116F #6F1B11 #116F1B

tetradic

#1B116F #6F1136 #656F11 #116F4A

square

#1B116F #6F1136 #656F11 #116F4A

split-complementary

#1B116F #6F4A11 #366F11

monochromatic

#06041B #0E093A #1B116F #2819A4 #3521D9

Accessibility & contrast

On white

15.48

#1B116F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#1B116F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B116F

15.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B116F	#FFFFFF	#000000	##FFFFFF
##1B116F	1.00	15.48	1.36	15.48
#FFFFFF	15.48	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002872

Deuteranopia (green-blind)

#00206D

Tritanopia (blue-blind)

#002E41

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #1b116f;
/* rgb */ color: rgb(27, 17, 111);
/* oklch */ color: oklch(27.7% 0.150 275.2);

Tailwind

colors: {
  custom: {
    50: '#675299',
    500: '#1b116f',
    950: '#000000',
  },
}

SCSS

$custom: #1b116f;
$custom-light: #675299;
$custom-dark: #000000;

JSON

{
  "hex": "#1b116f",
  "rgb": {
    "r": 27,
    "g": 17,
    "b": 111
  },
  "hsl": {
    "h": 246.383,
    "s": 73.438,
    "l": 25.098
  },
  "oklch": {
    "l": 0.27717,
    "c": 0.14954,
    "h": 275.2
  },
  "luminance": 0.01782
}

Semantic roles & 50–950 ramp

primary

#1B116F

secondary

#9AA635

accent

#F038DC

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #1B116F

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

Preview Lab → · Contrast checker → · Palette generator →