#271F8E#271F8E

#271F8E is a dark, vivid blue. Relative luminance 0.034; OKLCH L 34.0% C 0.172 H 275.3°. Best body text is #FFFFFF at 12.55:1 contrast (WCAG AA passes).

Color values

HEX	#271F8E
RGB	rgb(39, 31, 142)
HSL	hsl(244, 64%, 34%)
HSV	hsv(244, 78%, 56%)
CMYK	cmyk(72.5%, 78.2%, 0%, 44.3%)
CIE-LAB	lab(21.45, 39.95, -59.37)
CIE-LCH	lch(21.45, 71.56, 303.94°)
OKLab	oklab(34.02% 0.0159 -0.1717)
OKLCH	oklch(34.02% 0.172 275.3)
XYZ	xyz(6.2076, 3.3637, 25.9081)
Luminance	0.0336 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271F8E #868E1F

analogous

#1F4F8E #271F8E #5F1F8E

triadic

#271F8E #8E271F #1F8E27

tetradic

#271F8E #8E1F4F #868E1F #1F8E5F

square

#271F8E #8E1F4F #868E1F #1F8E5F

split-complementary

#271F8E #8E5F1F #4F8E1F

monochromatic

#0B092A #19145C #271F8E #352AC0 #594FD9

Accessibility & contrast

On white

12.55

#271F8E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.67

#271F8E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271F8E

12.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271F8E	#FFFFFF	#000000	##FFFFFF
##271F8E	1.00	12.55	1.67	12.55
#FFFFFF	12.55	1.00	21.00	1.00
#000000	1.67	21.00	1.00	21.00
##FFFFFF	12.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003891

Deuteranopia (green-blind)

#002E8C

Tritanopia (blue-blind)

#004055

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #271f8e;
/* rgb */ color: rgb(39, 31, 142);
/* oklch */ color: oklch(34.0% 0.172 275.3);

Tailwind

colors: {
  custom: {
    50: '#725db0',
    500: '#271f8e',
    950: '#000000',
  },
}

SCSS

$custom: #271f8e;
$custom-light: #725db0;
$custom-dark: #000000;

JSON

{
  "hex": "#271f8e",
  "rgb": {
    "r": 39,
    "g": 31,
    "b": 142
  },
  "hsl": {
    "h": 244.324,
    "s": 64.162,
    "l": 33.922
  },
  "oklch": {
    "l": 0.34018,
    "c": 0.17242,
    "h": 275.3
  },
  "luminance": 0.03364
}

Semantic roles & 50–950 ramp

primary

#271F8E

secondary

#B4BB4D

accent

#E741DB

background

#F7F5FB

surface

#EDE9F6

border

#C8C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #271F8E

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

Preview Lab → · Contrast checker → · Palette generator →