#27178B#27178B

#27178B is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.7% C 0.176 H 276.7°. Best body text is #FFFFFF at 13.28:1 contrast (WCAG AA passes).

Color values

HEX	#27178B
RGB	rgb(39, 23, 139)
HSL	hsl(248, 72%, 32%)
HSV	hsv(248, 83%, 55%)
CMYK	cmyk(71.9%, 83.5%, 0%, 45.5%)
CIE-LAB	lab(19.67, 43.12, -60.44)
CIE-LCH	lch(19.67, 74.24, 305.51°)
OKLab	oklab(32.68% 0.0204 -0.1747)
OKLCH	oklch(32.68% 0.176 276.7)
XYZ	xyz(5.8018, 2.9077, 24.6766)
Luminance	0.0291 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#27178B #7B8B17

analogous

#17418B #27178B #61178B

triadic

#27178B #8B2717 #178B27

tetradic

#27178B #8B1741 #7B8B17 #178B61

square

#27178B #8B1741 #7B8B17 #178B61

split-complementary

#27178B #8B6117 #418B17

monochromatic

#0A0622 #180E56 #27178B #3620C0 #543DDF

Accessibility & contrast

On white

13.28

#27178B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#27178B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #27178B

13.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##27178B	#FFFFFF	#000000	##FFFFFF
##27178B	1.00	13.28	1.58	13.28
#FFFFFF	13.28	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00348E

Deuteranopia (green-blind)

#002B89

Tritanopia (blue-blind)

#003C52

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #27178b;
/* rgb */ color: rgb(39, 23, 139);
/* oklch */ color: oklch(32.7% 0.176 276.7);

Tailwind

colors: {
  custom: {
    50: '#7258ae',
    500: '#27178b',
    950: '#000000',
  },
}

SCSS

$custom: #27178b;
$custom-light: #7258ae;
$custom-dark: #000000;

JSON

{
  "hex": "#27178b",
  "rgb": {
    "r": 39,
    "g": 23,
    "b": 139
  },
  "hsl": {
    "h": 248.276,
    "s": 71.605,
    "l": 31.765
  },
  "oklch": {
    "l": 0.32678,
    "c": 0.17584,
    "h": 276.7
  },
  "luminance": 0.02908
}

Semantic roles & 50–950 ramp

primary

#27178B

secondary

#ADBF3F

accent

#EE39D5

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090410

muted

#7B797F

Preview Lab

Preview with #27178B

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

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