#271F78#271F78

#271F78 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.6% C 0.144 H 278.3°. Best body text is #FFFFFF at 13.52:1 contrast (WCAG AA passes).

Color values

HEX	#271F78
RGB	rgb(39, 31, 120)
HSL	hsl(245, 59%, 30%)
HSV	hsv(245, 74%, 47%)
CMYK	cmyk(67.5%, 74.2%, 0%, 52.9%)
CIE-LAB	lab(19.09, 32.50, -49.38)
CIE-LCH	lch(19.09, 59.11, 303.35°)
OKLab	oklab(31.64% 0.0207 -0.1425)
OKLCH	oklch(31.64% 0.144 278.3)
XYZ	xyz(4.7158, 2.7670, 18.0512)
Luminance	0.0277 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271F78 #70781F

analogous

#1F4478 #271F78 #541F78

triadic

#271F78 #78271F #1F7827

tetradic

#271F78 #781F44 #70781F #1F7854

square

#271F78 #781F44 #70781F #1F7854

split-complementary

#271F78 #78541F #44781F

monochromatic

#080618 #171247 #271F78 #372CA9 #5043CE

Accessibility & contrast

On white

13.52

#271F78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#271F78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271F78

13.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271F78	#FFFFFF	#000000	##FFFFFF
##271F78	1.00	13.52	1.55	13.52
#FFFFFF	13.52	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00327B

Deuteranopia (green-blind)

#002B76

Tritanopia (blue-blind)

#003849

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #271f78;
/* rgb */ color: rgb(39, 31, 120);
/* oklch */ color: oklch(31.6% 0.144 278.3);

Tailwind

colors: {
  custom: {
    50: '#6d5ca0',
    500: '#271f78',
    950: '#000000',
  },
}

SCSS

$custom: #271f78;
$custom-light: #6d5ca0;
$custom-dark: #000000;

JSON

{
  "hex": "#271f78",
  "rgb": {
    "r": 39,
    "g": 31,
    "b": 120
  },
  "hsl": {
    "h": 245.393,
    "s": 58.94,
    "l": 29.608
  },
  "oklch": {
    "l": 0.3164,
    "c": 0.14403,
    "h": 278.3
  },
  "luminance": 0.02767
}

Semantic roles & 50–950 ramp

primary

#271F78

secondary

#A2AB47

accent

#E246D4

background

#F7F5F9

surface

#EDE9F2

border

#C8C5CC

text

#08040F

muted

#7B797E

Preview Lab

Preview with #271F78

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

Preview Lab → · Contrast checker → · Palette generator →