#271B7C#271B7C

#271B7C is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.5% C 0.154 H 278.4°. Best body text is #FFFFFF at 13.69:1 contrast (WCAG AA passes).

Color values

HEX	#271B7C
RGB	rgb(39, 27, 124)
HSL	hsl(247, 64%, 30%)
HSV	hsv(247, 78%, 49%)
CMYK	cmyk(68.5%, 78.2%, 0%, 51.4%)
CIE-LAB	lab(18.67, 36.21, -52.62)
CIE-LCH	lch(18.67, 63.87, 304.54°)
OKLab	oklab(31.47% 0.0225 -0.152)
OKLCH	oklch(31.47% 0.154 278.4)
XYZ	xyz(4.8656, 2.6700, 19.3238)
Luminance	0.0267 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B7C #707C1B

analogous

#1B3F7C #271B7C #581B7C

triadic

#271B7C #7C271B #1B7C27

tetradic

#271B7C #7C1B3F #707C1B #1B7C58

square

#271B7C #7C1B3F #707C1B #1B7C58

split-complementary

#271B7C #7C581B #3F7C1B

monochromatic

#080519 #17104A #271B7C #3726AE #503DD5

Accessibility & contrast

On white

13.69

#271B7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.53

#271B7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B7C

13.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B7C	#FFFFFF	#000000	##FFFFFF
##271B7C	1.00	13.69	1.53	13.69
#FFFFFF	13.69	1.00	21.00	1.00
#000000	1.53	21.00	1.00	21.00
##FFFFFF	13.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00317F

Deuteranopia (green-blind)

#00297A

Tritanopia (blue-blind)

#00374A

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #271b7c;
/* rgb */ color: rgb(39, 27, 124);
/* oklch */ color: oklch(31.5% 0.154 278.4);

Tailwind

colors: {
  custom: {
    50: '#6e5aa3',
    500: '#271b7c',
    950: '#000000',
  },
}

SCSS

$custom: #271b7c;
$custom-light: #6e5aa3;
$custom-dark: #000000;

JSON

{
  "hex": "#271b7c",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 124
  },
  "hsl": {
    "h": 247.423,
    "s": 64.238,
    "l": 29.608
  },
  "oklch": {
    "l": 0.31474,
    "c": 0.15362,
    "h": 278.4
  },
  "luminance": 0.0267
}

Semantic roles & 50–950 ramp

primary

#271B7C

secondary

#A2B043

accent

#E741D3

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #271B7C

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

Preview Lab → · Contrast checker → · Palette generator →