#27289B#27289B

#27289B is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.7% C 0.180 H 272.8°. Best body text is #FFFFFF at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#27289B
RGB	rgb(39, 40, 155)
HSL	hsl(239, 60%, 38%)
HSV	hsv(239, 75%, 61%)
CMYK	cmyk(74.8%, 74.2%, 0%, 39.2%)
CIE-LAB	lab(24.69, 39.18, -62.05)
CIE-LCH	lch(24.69, 73.38, 302.27°)
OKLab	oklab(36.73% 0.0088 -0.1795)
OKLCH	oklch(36.73% 0.18 272.8)
XYZ	xyz(7.5099, 4.3147, 31.4410)
Luminance	0.0432 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#27289B #9B9A27

analogous

#27629B #27289B #60279B

triadic

#27289B #9B2728 #289B27

tetradic

#27289B #9B2762 #9B9A27 #279B60

square

#27289B #9B2762 #9B9A27 #279B60

split-complementary

#27289B #9B6027 #629B27

monochromatic

#0E0F39 #1B1B6A #27289B #3335CC #6465D8

Accessibility & contrast

On white

11.27

#27289B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#27289B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #27289B

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##27289B	#FFFFFF	#000000	##FFFFFF
##27289B	1.00	11.27	1.86	11.27
#FFFFFF	11.27	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00409E

Deuteranopia (green-blind)

#003599

Tritanopia (blue-blind)

#00495F

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #27289b;
/* rgb */ color: rgb(39, 40, 155);
/* oklch */ color: oklch(36.7% 0.180 272.8);

Tailwind

colors: {
  custom: {
    50: '#7463ba',
    500: '#27289b',
    950: '#000000',
  },
}

SCSS

$custom: #27289b;
$custom-light: #7463ba;
$custom-dark: #000000;

JSON

{
  "hex": "#27289b",
  "rgb": {
    "r": 39,
    "g": 40,
    "b": 155
  },
  "hsl": {
    "h": 239.483,
    "s": 59.794,
    "l": 38.039
  },
  "oklch": {
    "l": 0.36731,
    "c": 0.17974,
    "h": 272.8
  },
  "luminance": 0.04315
}

Semantic roles & 50–950 ramp

primary

#27289B

secondary

#BEBD60

accent

#E245E3

background

#F7F6FB

surface

#EEEBF6

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #27289B

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

Preview Lab → · Contrast checker → · Palette generator →