#271D9B#271D9B

#271D9B is a dark, vivid blue. Relative luminance 0.037; OKLCH L 35.2% C 0.190 H 274.1°. Best body text is #FFFFFF at 12.10:1 contrast (WCAG AA passes).

Color values

HEX	#271D9B
RGB	rgb(39, 29, 155)
HSL	hsl(245, 68%, 36%)
HSV	hsv(245, 81%, 61%)
CMYK	cmyk(74.8%, 81.3%, 0%, 39.2%)
CIE-LAB	lab(22.57, 45.22, -65.54)
CIE-LCH	lch(22.57, 79.63, 304.60°)
OKLab	oklab(35.24% 0.0136 -0.1896)
OKLCH	oklch(35.24% 0.19 274.1)
XYZ	xyz(7.1905, 3.6759, 31.3346)
Luminance	0.0368 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271D9B #919B1D

analogous

#1D529B #271D9B #661D9B

triadic

#271D9B #9B271D #1D9B27

tetradic

#271D9B #9B1D52 #919B1D #1D9B66

square

#271D9B #9B1D52 #919B1D #1D9B66

split-complementary

#271D9B #9B661D #529B1D

monochromatic

#0D0A34 #1A1367 #271D9B #3427CF #5F53DF

Accessibility & contrast

On white

12.10

#271D9B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#271D9B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271D9B

12.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271D9B	#FFFFFF	#000000	##FFFFFF
##271D9B	1.00	12.10	1.74	12.10
#FFFFFF	12.10	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C9E

Deuteranopia (green-blind)

#003099

Tritanopia (blue-blind)

#00445C

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #271d9b;
/* rgb */ color: rgb(39, 29, 155);
/* oklch */ color: oklch(35.2% 0.190 274.1);

Tailwind

colors: {
  custom: {
    50: '#755dba',
    500: '#271d9b',
    950: '#000000',
  },
}

SCSS

$custom: #271d9b;
$custom-light: #755dba;
$custom-dark: #000000;

JSON

{
  "hex": "#271d9b",
  "rgb": {
    "r": 39,
    "g": 29,
    "b": 155
  },
  "hsl": {
    "h": 244.762,
    "s": 68.478,
    "l": 36.078
  },
  "oklch": {
    "l": 0.35241,
    "c": 0.19006,
    "h": 274.1
  },
  "luminance": 0.03677
}

Semantic roles & 50–950 ramp

primary

#271D9B

secondary

#B9C252

accent

#EB3CDD

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #271D9B

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

Preview Lab → · Contrast checker → · Palette generator →