#1B1796#1B1796

#1B1796 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 33.2% C 0.192 H 270.5°. Best body text is #FFFFFF at 13.05:1 contrast (WCAG AA passes).

Color values

HEX	#1B1796
RGB	rgb(27, 23, 150)
HSL	hsl(242, 73%, 34%)
HSV	hsv(242, 85%, 59%)
CMYK	cmyk(82%, 84.7%, 0%, 41.2%)
CIE-LAB	lab(20.23, 45.77, -66.37)
CIE-LCH	lch(20.23, 80.62, 304.59°)
OKLab	oklab(33.25% 0.0016 -0.1921)
OKLCH	oklch(33.25% 0.192 270.5)
XYZ	xyz(6.2615, 3.0471, 29.1064)
Luminance	0.0305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B1796 #929617

analogous

#175396 #1B1796 #5B1796

triadic

#1B1796 #961B17 #17961B

tetradic

#1B1796 #961753 #929617 #17965B

square

#1B1796 #961753 #929617 #17965B

split-complementary

#1B1796 #965B17 #539617

monochromatic

#08072C #110F61 #1B1796 #251FCB #4A45E2

Accessibility & contrast

On white

13.05

#1B1796 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1B1796 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1B1796

13.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B1796	#FFFFFF	#000000	##FFFFFF
##1B1796	1.00	13.05	1.61	13.05
#FFFFFF	13.05	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003799

Deuteranopia (green-blind)

#002A94

Tritanopia (blue-blind)

#004158

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1b1796;
/* rgb */ color: rgb(27, 23, 150);
/* oklch */ color: oklch(33.2% 0.192 270.5);

Tailwind

colors: {
  custom: {
    50: '#7158b6',
    500: '#1b1796',
    950: '#000000',
  },
}

SCSS

$custom: #1b1796;
$custom-light: #7158b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1b1796",
  "rgb": {
    "r": 27,
    "g": 23,
    "b": 150
  },
  "hsl": {
    "h": 241.89,
    "s": 73.41,
    "l": 33.922
  },
  "oklch": {
    "l": 0.33247,
    "c": 0.19209,
    "h": 270.5
  },
  "luminance": 0.03048
}

Semantic roles & 50–950 ramp

primary

#1B1796

secondary

#BFC345

accent

#F038EA

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #1B1796

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

Preview Lab → · Contrast checker → · Palette generator →