#271D9A#271D9A

#271D9A is a dark, vivid blue. Relative luminance 0.036; OKLCH L 35.1% C 0.189 H 274.2°. Best body text is #FFFFFF at 12.15:1 contrast (WCAG AA passes).

Color values

HEX	#271D9A
RGB	rgb(39, 29, 154)
HSL	hsl(245, 68%, 36%)
HSV	hsv(245, 81%, 60%)
CMYK	cmyk(74.7%, 81.2%, 0%, 39.6%)
CIE-LAB	lab(22.45, 44.90, -65.13)
CIE-LCH	lch(22.45, 79.10, 304.59°)
OKLab	oklab(35.13% 0.0138 -0.1884)
OKLCH	oklch(35.13% 0.189 274.2)
XYZ	xyz(7.1069, 3.6424, 30.8941)
Luminance	0.0364 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271D9A #909A1D

analogous

#1D519A #271D9A #651D9A

triadic

#271D9A #9A271D #1D9A27

tetradic

#271D9A #9A1D51 #909A1D #1D9A65

square

#271D9A #9A1D51 #909A1D #1D9A65

split-complementary

#271D9A #9A651D #519A1D

monochromatic

#0D0A33 #1A1366 #271D9A #3427CE #5E53DF

Accessibility & contrast

On white

12.15

#271D9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#271D9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271D9A

12.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271D9A	#FFFFFF	#000000	##FFFFFF
##271D9A	1.00	12.15	1.73	12.15
#FFFFFF	12.15	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B9D

Deuteranopia (green-blind)

#003098

Tritanopia (blue-blind)

#00445C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #271d9a;
/* rgb */ color: rgb(39, 29, 154);
/* oklch */ color: oklch(35.1% 0.189 274.2);

Tailwind

colors: {
  custom: {
    50: '#755db9',
    500: '#271d9a',
    950: '#000000',
  },
}

SCSS

$custom: #271d9a;
$custom-light: #755db9;
$custom-dark: #000000;

JSON

{
  "hex": "#271d9a",
  "rgb": {
    "r": 39,
    "g": 29,
    "b": 154
  },
  "hsl": {
    "h": 244.8,
    "s": 68.306,
    "l": 35.882
  },
  "oklch": {
    "l": 0.35125,
    "c": 0.18887,
    "h": 274.2
  },
  "luminance": 0.03643
}

Semantic roles & 50–950 ramp

primary

#271D9A

secondary

#B9C251

accent

#EB3DDD

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #271D9A

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

Preview Lab → · Contrast checker → · Palette generator →