#27178E#27178E

#27178E is a dark, vivid blue. Relative luminance 0.030; OKLCH L 33.0% C 0.179 H 276.2°. Best body text is #FFFFFF at 13.13:1 contrast (WCAG AA passes).

Color values

HEX	#27178E
RGB	rgb(39, 23, 142)
HSL	hsl(248, 72%, 32%)
HSV	hsv(248, 84%, 56%)
CMYK	cmyk(72.5%, 83.8%, 0%, 44.3%)
CIE-LAB	lab(20.03, 44.05, -61.71)
CIE-LCH	lch(20.03, 75.82, 305.52°)
OKLab	oklab(33.03% 0.0195 -0.1784)
OKLCH	oklch(33.03% 0.179 276.2)
XYZ	xyz(6.0240, 2.9966, 25.8469)
Luminance	0.0300 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#27178E #7E8E17

analogous

#17438E #27178E #62178E

triadic

#27178E #8E2717 #178E27

tetradic

#27178E #8E1743 #7E8E17 #178E62

square

#27178E #8E1743 #7E8E17 #178E62

split-complementary

#27178E #8E6217 #438E17

monochromatic

#0A0625 #190E59 #27178E #3520C3 #553FE0

Accessibility & contrast

On white

13.13

#27178E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#27178E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #27178E

13.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##27178E	#FFFFFF	#000000	##FFFFFF
##27178E	1.00	13.13	1.60	13.13
#FFFFFF	13.13	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003591

Deuteranopia (green-blind)

#002B8C

Tritanopia (blue-blind)

#003D54

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #27178e;
/* rgb */ color: rgb(39, 23, 142);
/* oklch */ color: oklch(33.0% 0.179 276.2);

Tailwind

colors: {
  custom: {
    50: '#7359b0',
    500: '#27178e',
    950: '#000000',
  },
}

SCSS

$custom: #27178e;
$custom-light: #7359b0;
$custom-dark: #000000;

JSON

{
  "hex": "#27178e",
  "rgb": {
    "r": 39,
    "g": 23,
    "b": 142
  },
  "hsl": {
    "h": 248.067,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.33031,
    "c": 0.17943,
    "h": 276.2
  },
  "luminance": 0.02997
}

Semantic roles & 50–950 ramp

primary

#27178E

secondary

#AFC040

accent

#EF39D6

background

#F7F5FB

surface

#EEE9F6

border

#C9C5D0

text

#090411

muted

#7B7980

Preview Lab

Preview with #27178E

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

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