#28277D#28277D

#28277D is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.6% C 0.141 H 276.2°. Best body text is #FFFFFF at 12.53:1 contrast (WCAG AA passes).

Color values

HEX	#28277D
RGB	rgb(40, 39, 125)
HSL	hsl(241, 52%, 32%)
HSV	hsv(241, 69%, 49%)
CMYK	cmyk(68%, 68.8%, 0%, 51%)
CIE-LAB	lab(21.51, 29.33, -48.57)
CIE-LCH	lch(21.51, 56.74, 301.13°)
OKLab	oklab(33.56% 0.0151 -0.1402)
OKLCH	oklch(33.56% 0.141 276.2)
XYZ	xyz(5.3011, 3.3824, 19.7716)
Luminance	0.0338 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28277D #7C7D27

analogous

#27517D #28277D #53277D

triadic

#28277D #7D2827 #277D28

tetradic

#28277D #7D2751 #7C7D27 #277D53

square

#28277D #7D2751 #7C7D27 #277D53

split-complementary

#28277D #7D5327 #517D27

monochromatic

#0A0A20 #19184E #28277D #3736AC #5655CA

Accessibility & contrast

On white

12.53

#28277D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#28277D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28277D

12.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28277D	#FFFFFF	#000000	##FFFFFF
##28277D	1.00	12.53	1.68	12.53
#FFFFFF	12.53	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003780

Deuteranopia (green-blind)

#00307B

Tritanopia (blue-blind)

#003E4E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #28277d;
/* rgb */ color: rgb(40, 39, 125);
/* oklch */ color: oklch(33.6% 0.141 276.2);

Tailwind

colors: {
  custom: {
    50: '#6e61a3',
    500: '#28277d',
    950: '#000000',
  },
}

SCSS

$custom: #28277d;
$custom-light: #6e61a3;
$custom-dark: #000000;

JSON

{
  "hex": "#28277d",
  "rgb": {
    "r": 40,
    "g": 39,
    "b": 125
  },
  "hsl": {
    "h": 240.698,
    "s": 52.439,
    "l": 32.157
  },
  "oklch": {
    "l": 0.33559,
    "c": 0.14098,
    "h": 276.2
  },
  "luminance": 0.03383
}

Semantic roles & 50–950 ramp

primary

#28277D

secondary

#ADAF51

accent

#DC4CDA

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#08050F

muted

#7B797F

Preview Lab

Preview with #28277D

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

Preview Lab → · Contrast checker → · Palette generator →