#271F9A#271F9A

#271F9A is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.4% C 0.187 H 274.0°. Best body text is #FFFFFF at 12.01:1 contrast (WCAG AA passes).

Color values

HEX	#271F9A
RGB	rgb(39, 31, 154)
HSL	hsl(244, 66%, 36%)
HSV	hsv(244, 80%, 60%)
CMYK	cmyk(74.7%, 79.9%, 0%, 39.6%)
CIE-LAB	lab(22.81, 43.88, -64.54)
CIE-LCH	lch(22.81, 78.04, 304.21°)
OKLab	oklab(35.37% 0.013 -0.1867)
OKLCH	oklch(35.37% 0.187 274)
XYZ	xyz(7.1575, 3.7437, 30.9110)
Luminance	0.0374 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271F9A #929A1F

analogous

#1F559A #271F9A #651F9A

triadic

#271F9A #9A271F #1F9A27

tetradic

#271F9A #9A1F55 #929A1F #1F9A65

square

#271F9A #9A1F55 #929A1F #1F9A65

split-complementary

#271F9A #9A651F #559A1F

monochromatic

#0D0A34 #1A1567 #271F9A #3429CD #5F56DD

Accessibility & contrast

On white

12.01

#271F9A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#271F9A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271F9A

12.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271F9A	#FFFFFF	#000000	##FFFFFF
##271F9A	1.00	12.01	1.75	12.01
#FFFFFF	12.01	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9D

Deuteranopia (green-blind)

#003198

Tritanopia (blue-blind)

#00455C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #271f9a;
/* rgb */ color: rgb(39, 31, 154);
/* oklch */ color: oklch(35.4% 0.187 274.0);

Tailwind

colors: {
  custom: {
    50: '#755eb9',
    500: '#271f9a',
    950: '#000000',
  },
}

SCSS

$custom: #271f9a;
$custom-light: #755eb9;
$custom-dark: #000000;

JSON

{
  "hex": "#271f9a",
  "rgb": {
    "r": 39,
    "g": 31,
    "b": 154
  },
  "hsl": {
    "h": 243.902,
    "s": 66.486,
    "l": 36.275
  },
  "oklch": {
    "l": 0.35371,
    "c": 0.18715,
    "h": 274
  },
  "luminance": 0.03744
}

Semantic roles & 50–950 ramp

primary

#271F9A

secondary

#BAC154

accent

#E93EDE

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #271F9A

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

Preview Lab → · Contrast checker → · Palette generator →