#271BA1#271BA1

#271BA1 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.7% C 0.199 H 273.6°. Best body text is #FFFFFF at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#271BA1
RGB	rgb(39, 27, 161)
HSL	hsl(245, 71%, 37%)
HSV	hsv(245, 83%, 63%)
CMYK	cmyk(75.8%, 83.2%, 0%, 36.9%)
CIE-LAB	lab(22.96, 48.05, -68.57)
CIE-LCH	lch(22.96, 83.73, 305.02°)
OKLab	oklab(35.72% 0.0127 -0.1983)
OKLCH	oklch(35.72% 0.199 273.6)
XYZ	xyz(7.6595, 3.7876, 34.0387)
Luminance	0.0379 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271BA1 #95A11B

analogous

#1B52A1 #271BA1 #6A1BA1

triadic

#271BA1 #A1271B #1BA127

tetradic

#271BA1 #A11B52 #95A11B #1BA16A

square

#271BA1 #A11B52 #95A11B #1BA16A

split-complementary

#271BA1 #A16A1B #52A11B

monochromatic

#0E0938 #1A126D #271BA1 #3424D5 #6154E2

Accessibility & contrast

On white

11.95

#271BA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#271BA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271BA1

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271BA1	#FFFFFF	#000000	##FFFFFF
##271BA1	1.00	11.95	1.76	11.95
#FFFFFF	11.95	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA5

Deuteranopia (green-blind)

#00309F

Tritanopia (blue-blind)

#004660

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #271ba1;
/* rgb */ color: rgb(39, 27, 161);
/* oklch */ color: oklch(35.7% 0.199 273.6);

Tailwind

colors: {
  custom: {
    50: '#775cbe',
    500: '#271ba1',
    950: '#000000',
  },
}

SCSS

$custom: #271ba1;
$custom-light: #775cbe;
$custom-dark: #000000;

JSON

{
  "hex": "#271ba1",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 161
  },
  "hsl": {
    "h": 245.373,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.35716,
    "c": 0.19872,
    "h": 273.6
  },
  "luminance": 0.03788
}

Semantic roles & 50–950 ramp

primary

#271BA1

secondary

#BBC552

accent

#EE3ADE

background

#F8F5FB

surface

#EFE9F7

border

#CAC5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #271BA1

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

Preview Lab → · Contrast checker → · Palette generator →