#271F7B#271F7B

#271F7B is a dark, vivid blue. Relative luminance 0.028; OKLCH L 32.0% C 0.148 H 277.8°. Best body text is #FFFFFF at 13.39:1 contrast (WCAG AA passes).

Color values

HEX	#271F7B
RGB	rgb(39, 31, 123)
HSL	hsl(245, 60%, 30%)
HSV	hsv(245, 75%, 48%)
CMYK	cmyk(68.3%, 74.8%, 0%, 51.8%)
CIE-LAB	lab(19.40, 33.53, -50.78)
CIE-LCH	lch(19.40, 60.86, 303.44°)
OKLab	oklab(31.96% 0.0201 -0.1466)
OKLCH	oklch(31.96% 0.148 277.8)
XYZ	xyz(4.9007, 2.8410, 19.0252)
Luminance	0.0284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271F7B #737B1F

analogous

#1F457B #271F7B #551F7B

triadic

#271F7B #7B271F #1F7B27

tetradic

#271F7B #7B1F45 #737B1F #1F7B55

square

#271F7B #7B1F45 #737B1F #1F7B55

split-complementary

#271F7B #7B551F #457B1F

monochromatic

#080619 #18134A #271F7B #362BAC #5144D0

Accessibility & contrast

On white

13.39

#271F7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#271F7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271F7B

13.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271F7B	#FFFFFF	#000000	##FFFFFF
##271F7B	1.00	13.39	1.57	13.39
#FFFFFF	13.39	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337E

Deuteranopia (green-blind)

#002B79

Tritanopia (blue-blind)

#00394B

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #271f7b;
/* rgb */ color: rgb(39, 31, 123);
/* oklch */ color: oklch(32.0% 0.148 277.8);

Tailwind

colors: {
  custom: {
    50: '#6e5ca2',
    500: '#271f7b',
    950: '#000000',
  },
}

SCSS

$custom: #271f7b;
$custom-light: #6e5ca2;
$custom-dark: #000000;

JSON

{
  "hex": "#271f7b",
  "rgb": {
    "r": 39,
    "g": 31,
    "b": 123
  },
  "hsl": {
    "h": 245.217,
    "s": 59.74,
    "l": 30.196
  },
  "oklch": {
    "l": 0.31955,
    "c": 0.14802,
    "h": 277.8
  },
  "luminance": 0.02841
}

Semantic roles & 50–950 ramp

primary

#271F7B

secondary

#A5AE48

accent

#E345D5

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #271F7B

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

Preview Lab → · Contrast checker → · Palette generator →