#1B116E#1B116E

#1B116E is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.6% C 0.148 H 275.4°. Best body text is #FFFFFF at 15.53:1 contrast (WCAG AA passes).

Color values

HEX	#1B116E
RGB	rgb(27, 17, 110)
HSL	hsl(246, 73%, 25%)
HSV	hsv(246, 85%, 43%)
CMYK	cmyk(75.5%, 84.5%, 0%, 56.9%)
CIE-LAB	lab(14.17, 35.76, -51.06)
CIE-LCH	lch(14.17, 62.34, 305.01°)
OKLab	oklab(27.59% 0.0139 -0.1476)
OKLCH	oklch(27.59% 0.148 275.4)
XYZ	xyz(3.4660, 1.7594, 14.9058)
Luminance	0.0176 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B116E #646E11

analogous

#11356E #1B116E #4A116E

triadic

#1B116E #6E1B11 #116E1B

tetradic

#1B116E #6E1135 #646E11 #116E4A

square

#1B116E #6E1135 #646E11 #116E4A

split-complementary

#1B116E #6E4A11 #356E11

monochromatic

#07041B #0E0939 #1B116E #2819A3 #3521D8

Accessibility & contrast

On white

15.53

#1B116E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#1B116E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B116E

15.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B116E	#FFFFFF	#000000	##FFFFFF
##1B116E	1.00	15.53	1.35	15.53
#FFFFFF	15.53	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002871

Deuteranopia (green-blind)

#00206C

Tritanopia (blue-blind)

#002E40

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #1b116e;
/* rgb */ color: rgb(27, 17, 110);
/* oklch */ color: oklch(27.6% 0.148 275.4);

Tailwind

colors: {
  custom: {
    50: '#675299',
    500: '#1b116e',
    950: '#000000',
  },
}

SCSS

$custom: #1b116e;
$custom-light: #675299;
$custom-dark: #000000;

JSON

{
  "hex": "#1b116e",
  "rgb": {
    "r": 27,
    "g": 17,
    "b": 110
  },
  "hsl": {
    "h": 246.452,
    "s": 73.228,
    "l": 24.902
  },
  "oklch": {
    "l": 0.27594,
    "c": 0.14827,
    "h": 275.4
  },
  "luminance": 0.0176
}

Semantic roles & 50–950 ramp

primary

#1B116E

secondary

#99A535

accent

#F038DC

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #1B116E

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

Preview Lab → · Contrast checker → · Palette generator →