#271BB0#271BB0

#271BB0 is a dark, highly saturated blue. Relative luminance 0.043; OKLCH L 37.5% C 0.216 H 272.3°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#271BB0
RGB	rgb(39, 27, 176)
HSL	hsl(245, 73%, 40%)
HSV	hsv(245, 85%, 69%)
CMYK	cmyk(77.8%, 84.7%, 0%, 31%)
CIE-LAB	lab(24.79, 52.59, -74.59)
CIE-LCH	lch(24.79, 91.27, 305.19°)
OKLab	oklab(37.51% 0.0087 -0.2158)
OKLCH	oklch(37.51% 0.216 272.3)
XYZ	xyz(9.0625, 4.3488, 41.4277)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271BB0 #A4B01B

analogous

#1B5AB0 #271BB0 #711BB0

triadic

#271BB0 #B0271B #1BB027

tetradic

#271BB0 #B01B5A #A4B01B #1BB071

square

#271BB0 #B01B5A #A4B01B #1BB071

split-complementary

#271BB0 #B0711B #5AB01B

monochromatic

#0F0B46 #1B137B #271BB0 #382ADE #6A5FE6

Accessibility & contrast

On white

11.23

#271BB0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#271BB0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271BB0

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271BB0	#FFFFFF	#000000	##FFFFFF
##271BB0	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0042B4

Deuteranopia (green-blind)

#0033AE

Tritanopia (blue-blind)

#004C68

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #271bb0;
/* rgb */ color: rgb(39, 27, 176);
/* oklch */ color: oklch(37.5% 0.216 272.3);

Tailwind

colors: {
  custom: {
    50: '#7b5dc9',
    500: '#271bb0',
    950: '#000000',
  },
}

SCSS

$custom: #271bb0;
$custom-light: #7b5dc9;
$custom-dark: #000000;

JSON

{
  "hex": "#271bb0",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 176
  },
  "hsl": {
    "h": 244.832,
    "s": 73.399,
    "l": 39.804
  },
  "oklch": {
    "l": 0.37508,
    "c": 0.21593,
    "h": 272.3
  },
  "luminance": 0.0435
}

Semantic roles & 50–950 ramp

primary

#271BB0

secondary

#C2CB5C

accent

#F038E1

background

#F8F5FC

surface

#EFE9F9

border

#CAC5D2

text

#0B0513

muted

#7C7982

Preview Lab

Preview with #271BB0

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

Preview Lab → · Contrast checker → · Palette generator →