#27307B#27307B

#27307B is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.0% C 0.127 H 272.8°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#27307B
RGB	rgb(39, 48, 123)
HSL	hsl(234, 52%, 32%)
HSV	hsv(234, 68%, 48%)
CMYK	cmyk(68.3%, 61%, 0%, 51.8%)
CIE-LAB	lab(23.59, 22.38, -43.93)
CIE-LCH	lch(23.59, 49.30, 297.00°)
OKLab	oklab(35.01% 0.0062 -0.1265)
OKLCH	oklch(35.01% 0.127 272.8)
XYZ	xyz(5.4676, 3.9748, 19.2141)
Luminance	0.0398 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#27307B #7B7227

analogous

#275A7B #27307B #48277B

triadic

#27307B #7B2730 #307B27

tetradic

#27307B #7B275A #7B7227 #277B48

square

#27307B #7B275A #7B7227 #277B48

split-complementary

#27307B #7B4827 #5A7B27

monochromatic

#0A0C1E #181E4D #27307B #3642A9 #5460C9

Accessibility & contrast

On white

11.70

#27307B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#27307B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #27307B

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##27307B	#FFFFFF	#000000	##FFFFFF
##27307B	1.00	11.70	1.80	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003C7E

Deuteranopia (green-blind)

#00347A

Tritanopia (blue-blind)

#004250

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #27307b;
/* rgb */ color: rgb(39, 48, 123);
/* oklch */ color: oklch(35.0% 0.127 272.8);

Tailwind

colors: {
  custom: {
    50: '#6c68a2',
    500: '#27307b',
    950: '#000000',
  },
}

SCSS

$custom: #27307b;
$custom-light: #6c68a2;
$custom-dark: #000000;

JSON

{
  "hex": "#27307b",
  "rgb": {
    "r": 39,
    "g": 48,
    "b": 123
  },
  "hsl": {
    "h": 233.571,
    "s": 51.852,
    "l": 31.765
  },
  "oklch": {
    "l": 0.35008,
    "c": 0.12662,
    "h": 272.8
  },
  "luminance": 0.03975
}

Semantic roles & 50–950 ramp

primary

#27307B

secondary

#ADA351

accent

#CC4CDB

background

#F6F6FA

surface

#ECEBF3

border

#C7C6CD

text

#08060F

muted

#7A7A7F

Preview Lab

Preview with #27307B

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

Preview Lab → · Contrast checker → · Palette generator →