#271DA0#271DA0

#271DA0 is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.8% C 0.196 H 273.6°. Best body text is #FFFFFF at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#271DA0
RGB	rgb(39, 29, 160)
HSL	hsl(245, 69%, 37%)
HSV	hsv(245, 82%, 63%)
CMYK	cmyk(75.6%, 81.9%, 0%, 37.3%)
CIE-LAB	lab(23.16, 46.79, -67.62)
CIE-LCH	lch(23.16, 82.24, 304.68°)
OKLab	oklab(35.82% 0.0123 -0.1956)
OKLCH	oklch(35.82% 0.196 273.6)
XYZ	xyz(7.6191, 3.8473, 33.5920)
Luminance	0.0385 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271DA0 #96A01D

analogous

#1D55A0 #271DA0 #691DA0

triadic

#271DA0 #A0271D #1DA027

tetradic

#271DA0 #A01D55 #96A01D #1DA069

square

#271DA0 #A01D55 #96A01D #1DA069

split-complementary

#271DA0 #A0691D #55A01D

monochromatic

#0E0A38 #1A146C #271DA0 #3426D4 #6157E1

Accessibility & contrast

On white

11.87

#271DA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#271DA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271DA0

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271DA0	#FFFFFF	#000000	##FFFFFF
##271DA0	1.00	11.87	1.77	11.87
#FFFFFF	11.87	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003DA4

Deuteranopia (green-blind)

#00319E

Tritanopia (blue-blind)

#00465F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #271da0;
/* rgb */ color: rgb(39, 29, 160);
/* oklch */ color: oklch(35.8% 0.196 273.6);

Tailwind

colors: {
  custom: {
    50: '#775dbd',
    500: '#271da0',
    950: '#000000',
  },
}

SCSS

$custom: #271da0;
$custom-light: #775dbd;
$custom-dark: #000000;

JSON

{
  "hex": "#271da0",
  "rgb": {
    "r": 39,
    "g": 29,
    "b": 160
  },
  "hsl": {
    "h": 244.58,
    "s": 69.312,
    "l": 37.059
  },
  "oklch": {
    "l": 0.35823,
    "c": 0.19599,
    "h": 273.6
  },
  "luminance": 0.03848
}

Semantic roles & 50–950 ramp

primary

#271DA0

secondary

#BCC455

accent

#EC3CDF

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #271DA0

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

Preview Lab → · Contrast checker → · Palette generator →