#271F99#271F99

#271F99 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.3% C 0.186 H 274.1°. Best body text is #FFFFFF at 12.05:1 contrast (WCAG AA passes).

Color values

HEX	#271F99
RGB	rgb(39, 31, 153)
HSL	hsl(244, 66%, 36%)
HSV	hsv(244, 80%, 60%)
CMYK	cmyk(74.5%, 79.7%, 0%, 40%)
CIE-LAB	lab(22.69, 43.56, -64.12)
CIE-LCH	lch(22.69, 77.51, 304.19°)
OKLab	oklab(35.26% 0.0133 -0.1855)
OKLCH	oklch(35.26% 0.186 274.1)
XYZ	xyz(7.0745, 3.7105, 30.4742)
Luminance	0.0371 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271F99 #91991F

analogous

#1F5499 #271F99 #641F99

triadic

#271F99 #99271F #1F9927

tetradic

#271F99 #991F54 #91991F #1F9964

square

#271F99 #991F54 #91991F #1F9964

split-complementary

#271F99 #99641F #54991F

monochromatic

#0D0A33 #1A1566 #271F99 #3429CC #5F56DD

Accessibility & contrast

On white

12.05

#271F99 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#271F99 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271F99

12.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271F99	#FFFFFF	#000000	##FFFFFF
##271F99	1.00	12.05	1.74	12.05
#FFFFFF	12.05	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9C

Deuteranopia (green-blind)

#003097

Tritanopia (blue-blind)

#00445C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #271f99;
/* rgb */ color: rgb(39, 31, 153);
/* oklch */ color: oklch(35.3% 0.186 274.1);

Tailwind

colors: {
  custom: {
    50: '#755eb8',
    500: '#271f99',
    950: '#000000',
  },
}

SCSS

$custom: #271f99;
$custom-light: #755eb8;
$custom-dark: #000000;

JSON

{
  "hex": "#271f99",
  "rgb": {
    "r": 39,
    "g": 31,
    "b": 153
  },
  "hsl": {
    "h": 243.934,
    "s": 66.304,
    "l": 36.078
  },
  "oklch": {
    "l": 0.35257,
    "c": 0.18593,
    "h": 274.1
  },
  "luminance": 0.03711
}

Semantic roles & 50–950 ramp

primary

#271F99

secondary

#B9C054

accent

#E93FDE

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #271F99

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

Preview Lab → · Contrast checker → · Palette generator →