#271BB3#271BB3

#271BB3 is a dark, highly saturated blue. Relative luminance 0.045; OKLCH L 37.9% C 0.219 H 272.1°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#271BB3
RGB	rgb(39, 27, 179)
HSL	hsl(245, 74%, 40%)
HSV	hsv(245, 85%, 70%)
CMYK	cmyk(78.2%, 84.9%, 0%, 29.8%)
CIE-LAB	lab(25.16, 53.48, -75.77)
CIE-LCH	lch(25.16, 92.75, 305.22°)
OKLab	oklab(37.87% 0.0079 -0.2192)
OKLCH	oklch(37.87% 0.219 272.1)
XYZ	xyz(9.3626, 4.4688, 43.0082)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271BB3 #A7B31B

analogous

#1B5BB3 #271BB3 #731BB3

triadic

#271BB3 #B3271B #1BB327

tetradic

#271BB3 #B31B5B #A7B31B #1BB373

square

#271BB3 #B31B5B #A7B31B #1BB373

split-complementary

#271BB3 #B3731B #5BB31B

monochromatic

#100B49 #1B137E #271BB3 #3A2CDF #6C61E7

Accessibility & contrast

On white

11.09

#271BB3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#271BB3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271BB3

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271BB3	#FFFFFF	#000000	##FFFFFF
##271BB3	1.00	11.09	1.89	11.09
#FFFFFF	11.09	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.09	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0043B7

Deuteranopia (green-blind)

#0034B1

Tritanopia (blue-blind)

#004D6A

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #271bb3;
/* rgb */ color: rgb(39, 27, 179);
/* oklch */ color: oklch(37.9% 0.219 272.1);

Tailwind

colors: {
  custom: {
    50: '#7c5ecb',
    500: '#271bb3',
    950: '#000000',
  },
}

SCSS

$custom: #271bb3;
$custom-light: #7c5ecb;
$custom-dark: #000000;

JSON

{
  "hex": "#271bb3",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 179
  },
  "hsl": {
    "h": 244.737,
    "s": 73.786,
    "l": 40.392
  },
  "oklch": {
    "l": 0.3787,
    "c": 0.21931,
    "h": 272.1
  },
  "luminance": 0.0447
}

Semantic roles & 50–950 ramp

primary

#271BB3

secondary

#C3CC5E

accent

#F037E2

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0B0514

muted

#7C7982

Preview Lab

Preview with #271BB3

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

Preview Lab → · Contrast checker → · Palette generator →