#271C9F#271C9F

#271C9F is a dark, vivid blue. Relative luminance 0.038; OKLCH L 35.6% C 0.196 H 273.8°. Best body text is #FFFFFF at 11.98:1 contrast (WCAG AA passes).

Color values

HEX	#271C9F
RGB	rgb(39, 28, 159)
HSL	hsl(245, 70%, 37%)
HSV	hsv(245, 82%, 62%)
CMYK	cmyk(75.5%, 82.4%, 0%, 37.6%)
CIE-LAB	lab(22.88, 46.96, -67.48)
CIE-LCH	lch(22.88, 82.22, 304.83°)
OKLab	oklab(35.59% 0.0129 -0.1952)
OKLCH	oklch(35.59% 0.196 273.8)
XYZ	xyz(7.5079, 3.7643, 33.1251)
Luminance	0.0377 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271C9F #949F1C

analogous

#1C539F #271C9F #691C9F

triadic

#271C9F #9F271C #1C9F27

tetradic

#271C9F #9F1C53 #949F1C #1C9F69

square

#271C9F #9F1C53 #949F1C #1C9F69

split-complementary

#271C9F #9F691C #539F1C

monochromatic

#0D0A37 #1A136B #271C9F #3425D3 #6054E1

Accessibility & contrast

On white

11.98

#271C9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#271C9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271C9F

11.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271C9F	#FFFFFF	#000000	##FFFFFF
##271C9F	1.00	11.98	1.75	11.98
#FFFFFF	11.98	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	11.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA3

Deuteranopia (green-blind)

#00309D

Tritanopia (blue-blind)

#00465F

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #271c9f;
/* rgb */ color: rgb(39, 28, 159);
/* oklch */ color: oklch(35.6% 0.196 273.8);

Tailwind

colors: {
  custom: {
    50: '#775cbd',
    500: '#271c9f',
    950: '#000000',
  },
}

SCSS

$custom: #271c9f;
$custom-light: #775cbd;
$custom-dark: #000000;

JSON

{
  "hex": "#271c9f",
  "rgb": {
    "r": 39,
    "g": 28,
    "b": 159
  },
  "hsl": {
    "h": 245.038,
    "s": 70.053,
    "l": 36.667
  },
  "oklch": {
    "l": 0.35591,
    "c": 0.19561,
    "h": 273.8
  },
  "luminance": 0.03765
}

Semantic roles & 50–950 ramp

primary

#271C9F

secondary

#BBC453

accent

#ED3BDE

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #271C9F

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

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