#271B7E#271B7E

#271B7E is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.7% C 0.156 H 278.1°. Best body text is #FFFFFF at 13.60:1 contrast (WCAG AA passes).

Color values

HEX	#271B7E
RGB	rgb(39, 27, 126)
HSL	hsl(247, 65%, 30%)
HSV	hsv(247, 79%, 49%)
CMYK	cmyk(69%, 78.6%, 0%, 50.6%)
CIE-LAB	lab(18.89, 36.87, -53.53)
CIE-LCH	lch(18.89, 65.00, 304.56°)
OKLab	oklab(31.69% 0.022 -0.1546)
OKLCH	oklch(31.69% 0.156 278.1)
XYZ	xyz(4.9933, 2.7211, 19.9967)
Luminance	0.0272 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B7E #727E1B

analogous

#1B407E #271B7E #591B7E

triadic

#271B7E #7E271B #1B7E27

tetradic

#271B7E #7E1B40 #727E1B #1B7E59

square

#271B7E #7E1B40 #727E1B #1B7E59

split-complementary

#271B7E #7E591B #407E1B

monochromatic

#080519 #17104C #271B7E #3726B0 #503ED6

Accessibility & contrast

On white

13.60

#271B7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#271B7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B7E

13.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B7E	#FFFFFF	#000000	##FFFFFF
##271B7E	1.00	13.60	1.54	13.60
#FFFFFF	13.60	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003281

Deuteranopia (green-blind)

#002A7C

Tritanopia (blue-blind)

#00384B

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #271b7e;
/* rgb */ color: rgb(39, 27, 126);
/* oklch */ color: oklch(31.7% 0.156 278.1);

Tailwind

colors: {
  custom: {
    50: '#6f5aa4',
    500: '#271b7e',
    950: '#000000',
  },
}

SCSS

$custom: #271b7e;
$custom-light: #6f5aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#271b7e",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 126
  },
  "hsl": {
    "h": 247.273,
    "s": 64.706,
    "l": 30
  },
  "oklch": {
    "l": 0.31694,
    "c": 0.15618,
    "h": 278.1
  },
  "luminance": 0.02722
}

Semantic roles & 50–950 ramp

primary

#271B7E

secondary

#A4B243

accent

#E840D3

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #271B7E

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

Preview Lab → · Contrast checker → · Palette generator →