#271F8B#271F8B

#271F8B is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.7% C 0.169 H 275.7°. Best body text is #FFFFFF at 12.69:1 contrast (WCAG AA passes).

Color values

HEX	#271F8B
RGB	rgb(39, 31, 139)
HSL	hsl(244, 64%, 33%)
HSV	hsv(244, 78%, 55%)
CMYK	cmyk(71.9%, 77.7%, 0%, 45.5%)
CIE-LAB	lab(21.11, 38.96, -58.05)
CIE-LCH	lch(21.11, 69.91, 303.86°)
OKLab	oklab(33.68% 0.0166 -0.1678)
OKLCH	oklch(33.68% 0.169 275.7)
XYZ	xyz(5.9854, 3.2748, 24.7378)
Luminance	0.0328 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271F8B #838B1F

analogous

#1F4D8B #271F8B #5D1F8B

triadic

#271F8B #8B271F #1F8B27

tetradic

#271F8B #8B1F4D #838B1F #1F8B5D

square

#271F8B #8B1F4D #838B1F #1F8B5D

split-complementary

#271F8B #8B5D1F #4D8B1F

monochromatic

#0B0927 #191459 #271F8B #352ABD #574DD7

Accessibility & contrast

On white

12.69

#271F8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#271F8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271F8B

12.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271F8B	#FFFFFF	#000000	##FFFFFF
##271F8B	1.00	12.69	1.66	12.69
#FFFFFF	12.69	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00378E

Deuteranopia (green-blind)

#002E89

Tritanopia (blue-blind)

#003F54

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #271f8b;
/* rgb */ color: rgb(39, 31, 139);
/* oklch */ color: oklch(33.7% 0.169 275.7);

Tailwind

colors: {
  custom: {
    50: '#715dae',
    500: '#271f8b',
    950: '#000000',
  },
}

SCSS

$custom: #271f8b;
$custom-light: #715dae;
$custom-dark: #000000;

JSON

{
  "hex": "#271f8b",
  "rgb": {
    "r": 39,
    "g": 31,
    "b": 139
  },
  "hsl": {
    "h": 244.444,
    "s": 63.529,
    "l": 33.333
  },
  "oklch": {
    "l": 0.33685,
    "c": 0.16865,
    "h": 275.7
  },
  "luminance": 0.03275
}

Semantic roles & 50–950 ramp

primary

#271F8B

secondary

#B2BA4C

accent

#E741DA

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090410

muted

#7B797F

Preview Lab

Preview with #271F8B

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

Preview Lab → · Contrast checker → · Palette generator →