#271DBC#271DBC

#271DBC is a dark, highly saturated blue. Relative luminance 0.049; OKLCH L 39.1% C 0.228 H 271.3°. Best body text is #FFFFFF at 10.56:1 contrast (WCAG AA passes).

Color values

HEX	#271DBC
RGB	rgb(39, 29, 188)
HSL	hsl(244, 73%, 43%)
HSV	hsv(244, 85%, 74%)
CMYK	cmyk(79.3%, 84.6%, 0%, 26.3%)
CIE-LAB	lab(26.56, 55.31, -78.81)
CIE-LCH	lch(26.56, 96.28, 305.06°)
OKLab	oklab(39.15% 0.0052 -0.228)
OKLCH	oklch(39.15% 0.228 271.3)
XYZ	xyz(10.3501, 4.9397, 47.9752)
Luminance	0.0494 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271DBC #B2BC1D

analogous

#1D62BC #271DBC #771DBC

triadic

#271DBC #BC271D #1DBC27

tetradic

#271DBC #BC1D62 #B2BC1D #1DBC77

square

#271DBC #BC1D62 #B2BC1D #1DBC77

split-complementary

#271DBC #BC771D #62BC1D

monochromatic

#110D52 #1C1587 #271DBC #4136E0 #736BE8

Accessibility & contrast

On white

10.56

#271DBC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#271DBC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271DBC

10.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271DBC	#FFFFFF	#000000	##FFFFFF
##271DBC	1.00	10.56	1.99	10.56
#FFFFFF	10.56	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0046C0

Deuteranopia (green-blind)

#0037B9

Tritanopia (blue-blind)

#005270

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #271dbc;
/* rgb */ color: rgb(39, 29, 188);
/* oklch */ color: oklch(39.1% 0.228 271.3);

Tailwind

colors: {
  custom: {
    50: '#7e5fd2',
    500: '#271dbc',
    950: '#000000',
  },
}

SCSS

$custom: #271dbc;
$custom-light: #7e5fd2;
$custom-dark: #000000;

JSON

{
  "hex": "#271dbc",
  "rgb": {
    "r": 39,
    "g": 29,
    "b": 188
  },
  "hsl": {
    "h": 243.774,
    "s": 73.272,
    "l": 42.549
  },
  "oklch": {
    "l": 0.39148,
    "c": 0.22805,
    "h": 271.3
  },
  "luminance": 0.04941
}

Semantic roles & 50–950 ramp

primary

#271DBC

secondary

#C8CE67

accent

#F038E4

background

#F8F5FD

surface

#F0EAFA

border

#CBC6D3

text

#0C0514

muted

#7D7983

Preview Lab

Preview with #271DBC

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

Preview Lab → · Contrast checker → · Palette generator →