#271B7F#271B7F

#271B7F is a dark, vivid blue. Relative luminance 0.027; OKLCH L 31.8% C 0.157 H 277.9°. Best body text is #FFFFFF at 13.55:1 contrast (WCAG AA passes).

Color values

HEX	#271B7F
RGB	rgb(39, 27, 127)
HSL	hsl(247, 65%, 30%)
HSV	hsv(247, 79%, 50%)
CMYK	cmyk(69.3%, 78.7%, 0%, 50.2%)
CIE-LAB	lab(19.00, 37.20, -53.98)
CIE-LCH	lch(19.00, 65.56, 304.58°)
OKLab	oklab(31.81% 0.0218 -0.1559)
OKLCH	oklch(31.81% 0.157 277.9)
XYZ	xyz(5.0582, 2.7471, 20.3382)
Luminance	0.0275 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#271B7F #737F1B

analogous

#1B417F #271B7F #591B7F

triadic

#271B7F #7F271B #1B7F27

tetradic

#271B7F #7F1B41 #737F1B #1B7F59

square

#271B7F #7F1B41 #737F1B #1B7F59

split-complementary

#271B7F #7F591B #417F1B

monochromatic

#08061A #18104D #271B7F #3626B1 #513ED6

Accessibility & contrast

On white

13.55

#271B7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#271B7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #271B7F

13.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##271B7F	#FFFFFF	#000000	##FFFFFF
##271B7F	1.00	13.55	1.55	13.55
#FFFFFF	13.55	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003282

Deuteranopia (green-blind)

#002A7D

Tritanopia (blue-blind)

#00384C

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #271b7f;
/* rgb */ color: rgb(39, 27, 127);
/* oklch */ color: oklch(31.8% 0.157 277.9);

Tailwind

colors: {
  custom: {
    50: '#6f5aa5',
    500: '#271b7f',
    950: '#000000',
  },
}

SCSS

$custom: #271b7f;
$custom-light: #6f5aa5;
$custom-dark: #000000;

JSON

{
  "hex": "#271b7f",
  "rgb": {
    "r": 39,
    "g": 27,
    "b": 127
  },
  "hsl": {
    "h": 247.2,
    "s": 64.935,
    "l": 30.196
  },
  "oklch": {
    "l": 0.31805,
    "c": 0.15745,
    "h": 277.9
  },
  "luminance": 0.02748
}

Semantic roles & 50–950 ramp

primary

#271B7F

secondary

#A5B343

accent

#E840D4

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#08040F

muted

#7B797F

Preview Lab

Preview with #271B7F

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

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