#271C7B#271C7B

#271C7B is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.5% C 0.151 H 278.4°. Best body text is #FFFFFF at 13.65:1 contrast (WCAG AA passes).

Color values

HEX	#271C7B
RGB	rgb(39, 28, 123)
HSL	hsl(247, 63%, 30%)
HSV	hsv(247, 77%, 48%)
CMYK	cmyk(68.3%, 77.2%, 0%, 51.8%)
CIE-LAB	lab(18.76, 35.31, -51.83)
CIE-LCH	lch(18.76, 62.71, 304.26°)
OKLab	oklab(31.51% 0.0221 -0.1497)
OKLCH	oklch(31.51% 0.151 278.4)
XYZ	xyz(4.8260, 2.6915, 19.0002)
Luminance	0.0269 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271C7B #707B1C

analogous

#1C417B #271C7B #561C7B

triadic

#271C7B #7B271C #1C7B27

tetradic

#271C7B #7B1C41 #707B1C #1C7B56

square

#271C7B #7B1C41 #707B1C #1C7B56

split-complementary

#271C7B #7B561C #417B1C

monochromatic

#080619 #171149 #271C7B #3727AD #503ED3

Accessibility & contrast

On white

13.65

#271C7B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#271C7B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271C7B

13.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271C7B	#FFFFFF	#000000	##FFFFFF
##271C7B	1.00	13.65	1.54	13.65
#FFFFFF	13.65	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317E

Deuteranopia (green-blind)

#002A79

Tritanopia (blue-blind)

#00374A

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #271c7b;
/* rgb */ color: rgb(39, 28, 123);
/* oklch */ color: oklch(31.5% 0.151 278.4);

Tailwind

colors: {
  custom: {
    50: '#6e5aa2',
    500: '#271c7b',
    950: '#000000',
  },
}

SCSS

$custom: #271c7b;
$custom-light: #6e5aa2;
$custom-dark: #000000;

JSON

{
  "hex": "#271c7b",
  "rgb": {
    "r": 39,
    "g": 28,
    "b": 123
  },
  "hsl": {
    "h": 246.947,
    "s": 62.914,
    "l": 29.608
  },
  "oklch": {
    "l": 0.31507,
    "c": 0.15129,
    "h": 278.4
  },
  "luminance": 0.02692
}

Semantic roles & 50–950 ramp

primary

#271C7B

secondary

#A2AF44

accent

#E642D3

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #271C7B

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

Preview Lab → · Contrast checker → · Palette generator →