#271C9B#271C9B

#271C9B is a dark, vivid blue. Relative luminance 0.036; OKLCH L 35.1% C 0.191 H 274.2°. Best body text is #FFFFFF at 12.17:1 contrast (WCAG AA passes).

Color values

HEX	#271C9B
RGB	rgb(39, 28, 155)
HSL	hsl(245, 69%, 36%)
HSV	hsv(245, 82%, 61%)
CMYK	cmyk(74.8%, 81.9%, 0%, 39.2%)
CIE-LAB	lab(22.40, 45.71, -65.82)
CIE-LCH	lch(22.40, 80.14, 304.78°)
OKLab	oklab(35.12% 0.0139 -0.1904)
OKLCH	oklch(35.12% 0.191 274.2)
XYZ	xyz(7.1664, 3.6277, 31.3265)
Luminance	0.0363 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271C9B #909B1C

analogous

#1C509B #271C9B #661C9B

triadic

#271C9B #9B271C #1C9B27

tetradic

#271C9B #9B1C50 #909B1C #1C9B66

square

#271C9B #9B1C50 #909B1C #1C9B66

split-complementary

#271C9B #9B661C #509B1C

monochromatic

#0D0933 #1A1367 #271C9B #3425CF #5E52E0

Accessibility & contrast

On white

12.17

#271C9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#271C9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271C9B

12.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271C9B	#FFFFFF	#000000	##FFFFFF
##271C9B	1.00	12.17	1.73	12.17
#FFFFFF	12.17	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B9E

Deuteranopia (green-blind)

#003099

Tritanopia (blue-blind)

#00445C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #271c9b;
/* rgb */ color: rgb(39, 28, 155);
/* oklch */ color: oklch(35.1% 0.191 274.2);

Tailwind

colors: {
  custom: {
    50: '#765cba',
    500: '#271c9b',
    950: '#000000',
  },
}

SCSS

$custom: #271c9b;
$custom-light: #765cba;
$custom-dark: #000000;

JSON

{
  "hex": "#271c9b",
  "rgb": {
    "r": 39,
    "g": 28,
    "b": 155
  },
  "hsl": {
    "h": 245.197,
    "s": 69.399,
    "l": 35.882
  },
  "oklch": {
    "l": 0.35123,
    "c": 0.19089,
    "h": 274.2
  },
  "luminance": 0.03628
}

Semantic roles & 50–950 ramp

primary

#271C9B

secondary

#B9C350

accent

#EC3CDD

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #271C9B

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

Preview Lab → · Contrast checker → · Palette generator →