#271FAD#271FAD

#271FAD is a dark, highly saturated blue. Relative luminance 0.044; OKLCH L 37.6% C 0.210 H 272.3°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#271FAD
RGB	rgb(39, 31, 173)
HSL	hsl(243, 70%, 40%)
HSV	hsv(243, 82%, 68%)
CMYK	cmyk(77.5%, 82.1%, 0%, 32.2%)
CIE-LAB	lab(25.04, 49.88, -72.38)
CIE-LCH	lch(25.04, 87.91, 304.57°)
OKLab	oklab(37.57% 0.0084 -0.2094)
OKLCH	oklch(37.57% 0.21 272.3)
XYZ	xyz(8.8670, 4.4275, 39.9143)
Luminance	0.0443 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271FAD #A5AD1F

analogous

#1F5EAD #271FAD #6E1FAD

triadic

#271FAD #AD271F #1FAD27

tetradic

#271FAD #AD1F5E #A5AD1F #1FAD6E

square

#271FAD #AD1F5E #A5AD1F #1FAD6E

split-complementary

#271FAD #AD6E1F #5EAD1F

monochromatic

#100C45 #1B1679 #271FAD #392FDA #6A63E3

Accessibility & contrast

On white

11.14

#271FAD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#271FAD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271FAD

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271FAD	#FFFFFF	#000000	##FFFFFF
##271FAD	1.00	11.14	1.89	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042B1

Deuteranopia (green-blind)

#0034AB

Tritanopia (blue-blind)

#004C67

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #271fad;
/* rgb */ color: rgb(39, 31, 173);
/* oklch */ color: oklch(37.6% 0.210 272.3);

Tailwind

colors: {
  custom: {
    50: '#7a5fc7',
    500: '#271fad',
    950: '#000000',
  },
}

SCSS

$custom: #271fad;
$custom-light: #7a5fc7;
$custom-dark: #000000;

JSON

{
  "hex": "#271fad",
  "rgb": {
    "r": 39,
    "g": 31,
    "b": 173
  },
  "hsl": {
    "h": 243.38,
    "s": 69.608,
    "l": 40
  },
  "oklch": {
    "l": 0.37572,
    "c": 0.20961,
    "h": 272.3
  },
  "luminance": 0.04428
}

Semantic roles & 50–950 ramp

primary

#271FAD

secondary

#C2C860

accent

#EC3BE2

background

#F8F5FC

surface

#EFE9F8

border

#CAC5D1

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #271FAD

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

Preview Lab → · Contrast checker → · Palette generator →