#271B70#271B70

#271B70 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.2% C 0.138 H 280.6°. Best body text is #FFFFFF at 14.22:1 contrast (WCAG AA passes).

Color values

HEX	#271B70
RGB	rgb(39, 27, 112)
HSL	hsl(248, 61%, 27%)
HSV	hsv(248, 76%, 44%)
CMYK	cmyk(65.2%, 75.9%, 0%, 56.1%)
CIE-LAB	lab(17.39, 32.18, -47.01)
CIE-LCH	lch(17.39, 56.97, 304.39°)
OKLab	oklab(30.18% 0.0254 -0.1356)
OKLCH	oklch(30.18% 0.138 280.6)
XYZ	xyz(4.1523, 2.3847, 15.5676)
Luminance	0.0238 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B70 #64701B

analogous

#1B3970 #271B70 #521B70

triadic

#271B70 #70271B #1B7027

tetradic

#271B70 #701B39 #64701B #1B7052

square

#271B70 #701B39 #64701B #1B7052

split-complementary

#271B70 #70521B #39701B

monochromatic

#090619 #160F3F #271B70 #3827A1 #4C37CF

Accessibility & contrast

On white

14.22

#271B70 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#271B70 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B70

14.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B70	#FFFFFF	#000000	##FFFFFF
##271B70	1.00	14.22	1.48	14.22
#FFFFFF	14.22	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E72

Deuteranopia (green-blind)

#00276E

Tritanopia (blue-blind)

#003343

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #271b70;
/* rgb */ color: rgb(39, 27, 112);
/* oklch */ color: oklch(30.2% 0.138 280.6);

Tailwind

colors: {
  custom: {
    50: '#6c599a',
    500: '#271b70',
    950: '#000000',
  },
}

SCSS

$custom: #271b70;
$custom-light: #6c599a;
$custom-dark: #000000;

JSON

{
  "hex": "#271b70",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 112
  },
  "hsl": {
    "h": 248.471,
    "s": 61.151,
    "l": 27.255
  },
  "oklch": {
    "l": 0.30182,
    "c": 0.13796,
    "h": 280.6
  },
  "luminance": 0.02385
}

Semantic roles & 50–950 ramp

primary

#271B70

secondary

#97A542

accent

#E444CE

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #271B70

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

Preview Lab → · Contrast checker → · Palette generator →