#271FAE#271FAE

#271FAE is a dark, highly saturated blue. Relative luminance 0.045; OKLCH L 37.7% C 0.211 H 272.2°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#271FAE
RGB	rgb(39, 31, 174)
HSL	hsl(243, 70%, 40%)
HSV	hsv(243, 82%, 68%)
CMYK	cmyk(77.6%, 82.2%, 0%, 31.8%)
CIE-LAB	lab(25.16, 50.19, -72.79)
CIE-LCH	lch(25.16, 88.42, 304.59°)
OKLab	oklab(37.69% 0.0082 -0.2106)
OKLCH	oklch(37.69% 0.211 272.2)
XYZ	xyz(8.9641, 4.4663, 40.4258)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271FAE #A6AE1F

analogous

#1F5EAE #271FAE #6F1FAE

triadic

#271FAE #AE271F #1FAE27

tetradic

#271FAE #AE1F5E #A6AE1F #1FAE6F

square

#271FAE #AE1F5E #A6AE1F #1FAE6F

split-complementary

#271FAE #AE6F1F #5EAE1F

monochromatic

#100C46 #1B167A #271FAE #3A30DA #6B64E3

Accessibility & contrast

On white

11.09

#271FAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#271FAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271FAE

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271FAE	#FFFFFF	#000000	##FFFFFF
##271FAE	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)

#0042B2

Deuteranopia (green-blind)

#0034AC

Tritanopia (blue-blind)

#004D68

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #271fae;
/* rgb */ color: rgb(39, 31, 174);
/* oklch */ color: oklch(37.7% 0.211 272.2);

Tailwind

colors: {
  custom: {
    50: '#7a5fc8',
    500: '#271fae',
    950: '#000000',
  },
}

SCSS

$custom: #271fae;
$custom-light: #7a5fc8;
$custom-dark: #000000;

JSON

{
  "hex": "#271fae",
  "rgb": {
    "r": 39,
    "g": 31,
    "b": 174
  },
  "hsl": {
    "h": 243.357,
    "s": 69.756,
    "l": 40.196
  },
  "oklch": {
    "l": 0.3769,
    "c": 0.21077,
    "h": 272.2
  },
  "luminance": 0.04467
}

Semantic roles & 50–950 ramp

primary

#271FAE

secondary

#C3C860

accent

#ED3BE3

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #271FAE

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

Preview Lab → · Contrast checker → · Palette generator →