#28279F#28279F

#28279F is a dark, vivid blue. Relative luminance 0.044; OKLCH L 37.1% C 0.186 H 273.0°. Best body text is #FFFFFF at 11.16:1 contrast (WCAG AA passes).

Color values

HEX	#28279F
RGB	rgb(40, 39, 159)
HSL	hsl(241, 61%, 39%)
HSV	hsv(241, 75%, 62%)
CMYK	cmyk(74.8%, 75.5%, 0%, 37.6%)
CIE-LAB	lab(24.97, 41.23, -64.02)
CIE-LCH	lch(24.97, 76.15, 302.78°)
OKLab	oklab(37.07% 0.0097 -0.1853)
OKLCH	oklch(37.07% 0.186 273)
XYZ	xyz(7.8565, 4.4045, 33.2303)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28279F #9E9F27

analogous

#27629F #28279F #64279F

triadic

#28279F #9F2827 #279F28

tetradic

#28279F #9F2762 #9E9F27 #279F64

square

#28279F #9F2762 #9E9F27 #279F64

split-complementary

#28279F #9F6427 #629F27

monochromatic

#0F0F3D #1C1B6E #28279F #3736CE #6867DA

Accessibility & contrast

On white

11.16

#28279F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#28279F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28279F

11.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28279F	#FFFFFF	#000000	##FFFFFF
##28279F	1.00	11.16	1.88	11.16
#FFFFFF	11.16	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A2

Deuteranopia (green-blind)

#00359D

Tritanopia (blue-blind)

#004A61

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #28279f;
/* rgb */ color: rgb(40, 39, 159);
/* oklch */ color: oklch(37.1% 0.186 273.0);

Tailwind

colors: {
  custom: {
    50: '#7663bd',
    500: '#28279f',
    950: '#000000',
  },
}

SCSS

$custom: #28279f;
$custom-light: #7663bd;
$custom-dark: #000000;

JSON

{
  "hex": "#28279f",
  "rgb": {
    "r": 40,
    "g": 39,
    "b": 159
  },
  "hsl": {
    "h": 240.5,
    "s": 60.606,
    "l": 38.824
  },
  "oklch": {
    "l": 0.37074,
    "c": 0.18552,
    "h": 273
  },
  "luminance": 0.04405
}

Semantic roles & 50–950 ramp

primary

#28279F

secondary

#BFC062

accent

#E444E2

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0512

muted

#7C7A81

Preview Lab

Preview with #28279F

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

Preview Lab → · Contrast checker → · Palette generator →