#271D99#271D99

#271D99 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 35.0% C 0.188 H 274.3°. Best body text is #FFFFFF at 12.20:1 contrast (WCAG AA passes).

Color values

HEX	#271D99
RGB	rgb(39, 29, 153)
HSL	hsl(245, 68%, 36%)
HSV	hsv(245, 81%, 60%)
CMYK	cmyk(74.5%, 81%, 0%, 40%)
CIE-LAB	lab(22.34, 44.58, -64.70)
CIE-LCH	lch(22.34, 78.58, 304.57°)
OKLab	oklab(35.01% 0.0141 -0.1871)
OKLCH	oklch(35.01% 0.188 274.3)
XYZ	xyz(7.0239, 3.6093, 30.4573)
Luminance	0.0361 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271D99 #8F991D

analogous

#1D5199 #271D99 #651D99

triadic

#271D99 #99271D #1D9927

tetradic

#271D99 #991D51 #8F991D #1D9965

square

#271D99 #991D51 #8F991D #1D9965

split-complementary

#271D99 #99651D #51991D

monochromatic

#0D0932 #1A1366 #271D99 #3427CC #5D52DE

Accessibility & contrast

On white

12.20

#271D99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#271D99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271D99

12.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271D99	#FFFFFF	#000000	##FFFFFF
##271D99	1.00	12.20	1.72	12.20
#FFFFFF	12.20	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B9C

Deuteranopia (green-blind)

#003097

Tritanopia (blue-blind)

#00435B

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #271d99;
/* rgb */ color: rgb(39, 29, 153);
/* oklch */ color: oklch(35.0% 0.188 274.3);

Tailwind

colors: {
  custom: {
    50: '#755db8',
    500: '#271d99',
    950: '#000000',
  },
}

SCSS

$custom: #271d99;
$custom-light: #755db8;
$custom-dark: #000000;

JSON

{
  "hex": "#271d99",
  "rgb": {
    "r": 39,
    "g": 29,
    "b": 153
  },
  "hsl": {
    "h": 244.839,
    "s": 68.132,
    "l": 35.686
  },
  "oklch": {
    "l": 0.35009,
    "c": 0.18767,
    "h": 274.3
  },
  "luminance": 0.0361
}

Semantic roles & 50–950 ramp

primary

#271D99

secondary

#B8C151

accent

#EB3DDD

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #271D99

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

Preview Lab → · Contrast checker → · Palette generator →