#271B7D#271B7D

#271B7D is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.6% C 0.155 H 278.3°. Best body text is #FFFFFF at 13.64:1 contrast (WCAG AA passes).

Color values

HEX	#271B7D
RGB	rgb(39, 27, 125)
HSL	hsl(247, 64%, 30%)
HSV	hsv(247, 78%, 49%)
CMYK	cmyk(68.8%, 78.4%, 0%, 51%)
CIE-LAB	lab(18.78, 36.54, -53.07)
CIE-LCH	lch(18.78, 64.44, 304.55°)
OKLab	oklab(31.58% 0.0223 -0.1533)
OKLCH	oklch(31.58% 0.155 278.3)
XYZ	xyz(4.9291, 2.6955, 19.6586)
Luminance	0.0270 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B7D #717D1B

analogous

#1B407D #271B7D #581B7D

triadic

#271B7D #7D271B #1B7D27

tetradic

#271B7D #7D1B40 #717D1B #1B7D58

square

#271B7D #7D1B40 #717D1B #1B7D58

split-complementary

#271B7D #7D581B #407D1B

monochromatic

#080519 #17104B #271B7D #3726AF #503DD5

Accessibility & contrast

On white

13.64

#271B7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.54

#271B7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B7D

13.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B7D	#FFFFFF	#000000	##FFFFFF
##271B7D	1.00	13.64	1.54	13.64
#FFFFFF	13.64	1.00	21.00	1.00
#000000	1.54	21.00	1.00	21.00
##FFFFFF	13.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003180

Deuteranopia (green-blind)

#002A7B

Tritanopia (blue-blind)

#00384B

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #271b7d;
/* rgb */ color: rgb(39, 27, 125);
/* oklch */ color: oklch(31.6% 0.155 278.3);

Tailwind

colors: {
  custom: {
    50: '#6e5aa4',
    500: '#271b7d',
    950: '#000000',
  },
}

SCSS

$custom: #271b7d;
$custom-light: #6e5aa4;
$custom-dark: #000000;

JSON

{
  "hex": "#271b7d",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 125
  },
  "hsl": {
    "h": 247.347,
    "s": 64.474,
    "l": 29.804
  },
  "oklch": {
    "l": 0.31584,
    "c": 0.1549,
    "h": 278.3
  },
  "luminance": 0.02696
}

Semantic roles & 50–950 ramp

primary

#271B7D

secondary

#A3B143

accent

#E740D3

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #271B7D

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

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