#271AB4#271AB4

#271AB4 is a dark, highly saturated blue. Relative luminance 0.045; OKLCH L 37.9% C 0.221 H 272.0°. Best body text is #FFFFFF at 11.09:1 contrast (WCAG AA passes).

Color values

HEX	#271AB4
RGB	rgb(39, 26, 180)
HSL	hsl(245, 75%, 40%)
HSV	hsv(245, 86%, 71%)
CMYK	cmyk(78.3%, 85.6%, 0%, 29.4%)
CIE-LAB	lab(25.15, 54.19, -76.39)
CIE-LCH	lch(25.15, 93.66, 305.35°)
OKLab	oklab(37.9% 0.0078 -0.2209)
OKLCH	oklch(37.9% 0.221 272)
XYZ	xyz(9.4416, 4.4644, 43.5353)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271AB4 #A7B41A

analogous

#1A5AB4 #271AB4 #741AB4

triadic

#271AB4 #B4271A #1AB427

tetradic

#271AB4 #B41A5A #A7B41A #1AB474

square

#271AB4 #B41A5A #A7B41A #1AB474

split-complementary

#271AB4 #B4741A #5AB41A

monochromatic

#100B49 #1B127F #271AB4 #3A2BE0 #6C60E8

Accessibility & contrast

On white

11.09

#271AB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#271AB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271AB4

11.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271AB4	#FFFFFF	#000000	##FFFFFF
##271AB4	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)

#0043B8

Deuteranopia (green-blind)

#0034B1

Tritanopia (blue-blind)

#004E6B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #271ab4;
/* rgb */ color: rgb(39, 26, 180);
/* oklch */ color: oklch(37.9% 0.221 272.0);

Tailwind

colors: {
  custom: {
    50: '#7c5dcc',
    500: '#271ab4',
    950: '#000000',
  },
}

SCSS

$custom: #271ab4;
$custom-light: #7c5dcc;
$custom-dark: #000000;

JSON

{
  "hex": "#271ab4",
  "rgb": {
    "r": 39,
    "g": 26,
    "b": 180
  },
  "hsl": {
    "h": 245.065,
    "s": 74.757,
    "l": 40.392
  },
  "oklch": {
    "l": 0.37896,
    "c": 0.22108,
    "h": 272
  },
  "luminance": 0.04465
}

Semantic roles & 50–950 ramp

primary

#271AB4

secondary

#C3CC5D

accent

#F136E2

background

#F8F5FC

surface

#F0E9F9

border

#CBC5D2

text

#0C0514

muted

#7D7982

Preview Lab

Preview with #271AB4

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

Preview Lab → · Contrast checker → · Palette generator →