#271F9F#271F9F

#271F9F is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.9% C 0.193 H 273.5°. Best body text is #FFFFFF at 11.78:1 contrast (WCAG AA passes).

Color values

HEX	#271F9F
RGB	rgb(39, 31, 159)
HSL	hsl(244, 67%, 37%)
HSV	hsv(244, 81%, 62%)
CMYK	cmyk(75.5%, 80.5%, 0%, 37.6%)
CIE-LAB	lab(23.38, 45.48, -66.64)
CIE-LCH	lch(23.38, 80.69, 304.31°)
OKLab	oklab(35.94% 0.0118 -0.1928)
OKLCH	oklch(35.94% 0.193 273.5)
XYZ	xyz(7.5826, 3.9137, 33.1500)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271F9F #979F1F

analogous

#1F579F #271F9F #671F9F

triadic

#271F9F #9F271F #1F9F27

tetradic

#271F9F #9F1F57 #979F1F #1F9F67

square

#271F9F #9F1F57 #979F1F #1F9F67

split-complementary

#271F9F #9F671F #579F1F

monochromatic

#0E0B39 #1A156C #271F9F #3429D2 #625ADF

Accessibility & contrast

On white

11.78

#271F9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#271F9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271F9F

11.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271F9F	#FFFFFF	#000000	##FFFFFF
##271F9F	1.00	11.78	1.78	11.78
#FFFFFF	11.78	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003EA3

Deuteranopia (green-blind)

#00329D

Tritanopia (blue-blind)

#00475F

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #271f9f;
/* rgb */ color: rgb(39, 31, 159);
/* oklch */ color: oklch(35.9% 0.193 273.5);

Tailwind

colors: {
  custom: {
    50: '#765ebd',
    500: '#271f9f',
    950: '#000000',
  },
}

SCSS

$custom: #271f9f;
$custom-light: #765ebd;
$custom-dark: #000000;

JSON

{
  "hex": "#271f9f",
  "rgb": {
    "r": 39,
    "g": 31,
    "b": 159
  },
  "hsl": {
    "h": 243.75,
    "s": 67.368,
    "l": 37.255
  },
  "oklch": {
    "l": 0.35944,
    "c": 0.19316,
    "h": 273.5
  },
  "luminance": 0.03915
}

Semantic roles & 50–950 ramp

primary

#271F9F

secondary

#BCC357

accent

#EA3EDF

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #271F9F

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

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