#28327F#28327F

#28327F is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.8% C 0.129 H 272.5°. Best body text is #FFFFFF at 11.33:1 contrast (WCAG AA passes).

Color values

HEX	#28327F
RGB	rgb(40, 50, 127)
HSL	hsl(233, 52%, 33%)
HSV	hsv(233, 69%, 50%)
CMYK	cmyk(68.5%, 60.6%, 0%, 50.2%)
CIE-LAB	lab(24.53, 22.68, -44.92)
CIE-LCH	lch(24.53, 50.32, 296.79°)
OKLab	oklab(35.83% 0.0055 -0.1294)
OKLCH	oklch(35.83% 0.129 272.5)
XYZ	xyz(5.8452, 4.2641, 20.5896)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28327F #7F7528

analogous

#285E7F #28327F #49287F

triadic

#28327F #7F2832 #327F28

tetradic

#28327F #7F285E #7F7528 #287F49

square

#28327F #7F285E #7F7528 #287F49

split-complementary

#28327F #7F4928 #5E7F28

monochromatic

#0B0D22 #192050 #28327F #3744AE #5764CA

Accessibility & contrast

On white

11.33

#28327F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#28327F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28327F

11.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28327F	#FFFFFF	#000000	##FFFFFF
##28327F	1.00	11.33	1.85	11.33
#FFFFFF	11.33	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E82

Deuteranopia (green-blind)

#00367D

Tritanopia (blue-blind)

#004553

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #28327f;
/* rgb */ color: rgb(40, 50, 127);
/* oklch */ color: oklch(35.8% 0.129 272.5);

Tailwind

colors: {
  custom: {
    50: '#6d69a5',
    500: '#28327f',
    950: '#000000',
  },
}

SCSS

$custom: #28327f;
$custom-light: #6d69a5;
$custom-dark: #000000;

JSON

{
  "hex": "#28327f",
  "rgb": {
    "r": 40,
    "g": 50,
    "b": 127
  },
  "hsl": {
    "h": 233.103,
    "s": 52.096,
    "l": 32.745
  },
  "oklch": {
    "l": 0.35826,
    "c": 0.12948,
    "h": 272.5
  },
  "luminance": 0.04265
}

Semantic roles & 50–950 ramp

primary

#28327F

secondary

#AFA554

accent

#CB4CDC

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #28327F

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

Preview Lab → · Contrast checker → · Palette generator →