#271BAB#271BAB

#271BAB is a dark, highly saturated blue. Relative luminance 0.042; OKLCH L 36.9% C 0.210 H 272.7°. Best body text is #FFFFFF at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#271BAB
RGB	rgb(39, 27, 171)
HSL	hsl(245, 73%, 39%)
HSV	hsv(245, 84%, 67%)
CMYK	cmyk(77.2%, 84.2%, 0%, 32.9%)
CIE-LAB	lab(24.18, 51.10, -72.61)
CIE-LCH	lch(24.18, 88.78, 305.13°)
OKLab	oklab(36.91% 0.01 -0.21)
OKLCH	oklch(36.91% 0.21 272.7)
XYZ	xyz(8.5769, 4.1546, 38.8701)
Luminance	0.0415 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271BAB #9FAB1B

analogous

#1B57AB #271BAB #6F1BAB

triadic

#271BAB #AB271B #1BAB27

tetradic

#271BAB #AB1B57 #9FAB1B #1BAB6F

square

#271BAB #AB1B57 #9FAB1B #1BAB6F

split-complementary

#271BAB #AB6F1B #57AB1B

monochromatic

#0F0A41 #1B1376 #271BAB #3626DD #675BE5

Accessibility & contrast

On white

11.47

#271BAB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#271BAB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271BAB

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271BAB	#FFFFFF	#000000	##FFFFFF
##271BAB	1.00	11.47	1.83	11.47
#FFFFFF	11.47	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0040AF

Deuteranopia (green-blind)

#0032A9

Tritanopia (blue-blind)

#004A65

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #271bab;
/* rgb */ color: rgb(39, 27, 171);
/* oklch */ color: oklch(36.9% 0.210 272.7);

Tailwind

colors: {
  custom: {
    50: '#7a5dc5',
    500: '#271bab',
    950: '#000000',
  },
}

SCSS

$custom: #271bab;
$custom-light: #7a5dc5;
$custom-dark: #000000;

JSON

{
  "hex": "#271bab",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 171
  },
  "hsl": {
    "h": 245,
    "s": 72.727,
    "l": 38.824
  },
  "oklch": {
    "l": 0.36908,
    "c": 0.21026,
    "h": 272.7
  },
  "luminance": 0.04155
}

Semantic roles & 50–950 ramp

primary

#271BAB

secondary

#C0C959

accent

#EF38E0

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0413

muted

#7C7982

Preview Lab

Preview with #271BAB

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

Preview Lab → · Contrast checker → · Palette generator →