#271B8F#271B8F

#271B8F is a dark, vivid blue. Relative luminance 0.032; OKLCH L 33.6% C 0.177 H 275.7°. Best body text is #FFFFFF at 12.81:1 contrast (WCAG AA passes).

Color values

HEX	#271B8F
RGB	rgb(39, 27, 143)
HSL	hsl(246, 68%, 33%)
HSV	hsv(246, 81%, 56%)
CMYK	cmyk(72.7%, 81.1%, 0%, 43.9%)
CIE-LAB	lab(20.82, 42.41, -61.03)
CIE-LCH	lch(20.82, 74.32, 304.79°)
OKLab	oklab(33.61% 0.0175 -0.1764)
OKLCH	oklch(33.61% 0.177 275.7)
XYZ	xyz(6.1849, 3.1978, 26.2726)
Luminance	0.0320 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B8F #838F1B

analogous

#1B498F #271B8F #611B8F

triadic

#271B8F #8F271B #1B8F27

tetradic

#271B8F #8F1B49 #838F1B #1B8F61

square

#271B8F #8F1B49 #838F1B #1B8F61

split-complementary

#271B8F #8F611B #498F1B

monochromatic

#0B0828 #19115C #271B8F #3525C2 #5748DC

Accessibility & contrast

On white

12.81

#271B8F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#271B8F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B8F

12.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B8F	#FFFFFF	#000000	##FFFFFF
##271B8F	1.00	12.81	1.64	12.81
#FFFFFF	12.81	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003792

Deuteranopia (green-blind)

#002D8D

Tritanopia (blue-blind)

#003F55

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #271b8f;
/* rgb */ color: rgb(39, 27, 143);
/* oklch */ color: oklch(33.6% 0.177 275.7);

Tailwind

colors: {
  custom: {
    50: '#735bb1',
    500: '#271b8f',
    950: '#000000',
  },
}

SCSS

$custom: #271b8f;
$custom-light: #735bb1;
$custom-dark: #000000;

JSON

{
  "hex": "#271b8f",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 143
  },
  "hsl": {
    "h": 246.207,
    "s": 68.235,
    "l": 33.333
  },
  "oklch": {
    "l": 0.33613,
    "c": 0.17732,
    "h": 275.7
  },
  "luminance": 0.03198
}

Semantic roles & 50–950 ramp

primary

#271B8F

secondary

#B2BE48

accent

#EB3DD9

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #271B8F

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

Preview Lab → · Contrast checker → · Palette generator →