#271DBD#271DBD

#271DBD is a dark, highly saturated blue. Relative luminance 0.050; OKLCH L 39.3% C 0.229 H 271.2°. Best body text is #FFFFFF at 10.52:1 contrast (WCAG AA passes).

Color values

HEX	#271DBD
RGB	rgb(39, 29, 189)
HSL	hsl(244, 73%, 43%)
HSV	hsv(244, 85%, 74%)
CMYK	cmyk(79.4%, 84.7%, 0%, 25.9%)
CIE-LAB	lab(26.69, 55.60, -79.19)
CIE-LCH	lch(26.69, 96.76, 305.07°)
OKLab	oklab(39.27% 0.0049 -0.2291)
OKLCH	oklch(39.27% 0.229 271.2)
XYZ	xyz(10.4583, 4.9830, 48.5449)
Luminance	0.0498 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271DBD #B3BD1D

analogous

#1D63BD #271DBD #771DBD

triadic

#271DBD #BD271D #1DBD27

tetradic

#271DBD #BD1D63 #B3BD1D #1DBD77

square

#271DBD #BD1D63 #B3BD1D #1DBD77

split-complementary

#271DBD #BD771D #63BD1D

monochromatic

#110D53 #1C1588 #271DBD #4137E0 #746CE8

Accessibility & contrast

On white

10.52

#271DBD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.00

#271DBD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271DBD

10.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271DBD	#FFFFFF	#000000	##FFFFFF
##271DBD	1.00	10.52	2.00	10.52
#FFFFFF	10.52	1.00	21.00	1.00
#000000	2.00	21.00	1.00	21.00
##FFFFFF	10.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0047C1

Deuteranopia (green-blind)

#0037BA

Tritanopia (blue-blind)

#005270

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #271dbd;
/* rgb */ color: rgb(39, 29, 189);
/* oklch */ color: oklch(39.3% 0.229 271.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#271dbd",
  "rgb": {
    "r": 39,
    "g": 29,
    "b": 189
  },
  "hsl": {
    "h": 243.75,
    "s": 73.394,
    "l": 42.745
  },
  "oklch": {
    "l": 0.39268,
    "c": 0.22915,
    "h": 271.2
  },
  "luminance": 0.04984
}

Semantic roles & 50–950 ramp

primary

#271DBD

secondary

#C8CE67

accent

#F038E5

background

#F8F5FD

surface

#F0EAFA

border

#CBC6D3

text

#0C0514

muted

#7D7983

Preview Lab

Preview with #271DBD

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

Preview Lab → · Contrast checker → · Palette generator →