#271FAA#271FAA

#271FAA is a dark, highly saturated blue. Relative luminance 0.043; OKLCH L 37.2% C 0.206 H 272.5°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#271FAA
RGB	rgb(39, 31, 170)
HSL	hsl(243, 69%, 39%)
HSV	hsv(243, 82%, 67%)
CMYK	cmyk(77.1%, 81.8%, 0%, 33.3%)
CIE-LAB	lab(24.68, 48.95, -71.17)
CIE-LCH	lch(24.68, 86.38, 304.52°)
OKLab	oklab(37.22% 0.0091 -0.2059)
OKLCH	oklch(37.22% 0.206 272.5)
XYZ	xyz(8.5800, 4.3127, 38.4027)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271FAA #A2AA1F

analogous

#1F5DAA #271FAA #6D1FAA

triadic

#271FAA #AA271F #1FAA27

tetradic

#271FAA #AA1F5D #A2AA1F #1FAA6D

square

#271FAA #AA1F5D #A2AA1F #1FAA6D

split-complementary

#271FAA #AA6D1F #5DAA1F

monochromatic

#0F0C42 #1B1676 #271FAA #372DD9 #6961E2

Accessibility & contrast

On white

11.27

#271FAA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#271FAA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271FAA

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271FAA	#FFFFFF	#000000	##FFFFFF
##271FAA	1.00	11.27	1.86	11.27
#FFFFFF	11.27	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041AE

Deuteranopia (green-blind)

#0034A8

Tritanopia (blue-blind)

#004B66

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #271faa;
/* rgb */ color: rgb(39, 31, 170);
/* oklch */ color: oklch(37.2% 0.206 272.5);

Tailwind

colors: {
  custom: {
    50: '#795fc5',
    500: '#271faa',
    950: '#000000',
  },
}

SCSS

$custom: #271faa;
$custom-light: #795fc5;
$custom-dark: #000000;

JSON

{
  "hex": "#271faa",
  "rgb": {
    "r": 39,
    "g": 31,
    "b": 170
  },
  "hsl": {
    "h": 243.453,
    "s": 69.154,
    "l": 39.412
  },
  "oklch": {
    "l": 0.37221,
    "c": 0.20612,
    "h": 272.5
  },
  "luminance": 0.04314
}

Semantic roles & 50–950 ramp

primary

#271FAA

secondary

#C1C75E

accent

#EC3CE2

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #271FAA

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

Preview Lab → · Contrast checker → · Palette generator →