#28367D#28367D

#28367D is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.5% C 0.121 H 270.8°. Best body text is #FFFFFF at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#28367D
RGB	rgb(40, 54, 125)
HSL	hsl(230, 52%, 32%)
HSV	hsv(230, 68%, 49%)
CMYK	cmyk(68%, 56.8%, 0%, 51%)
CIE-LAB	lab(25.47, 19.16, -42.13)
CIE-LCH	lch(25.47, 46.28, 294.45°)
OKLab	oklab(36.48% 0.0017 -0.1211)
OKLCH	oklch(36.48% 0.121 270.8)
XYZ	xyz(5.8947, 4.5696, 19.9694)
Luminance	0.0457 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28367D #7D6F28

analogous

#28607D #28367D #45287D

triadic

#28367D #7D2836 #367D28

tetradic

#28367D #7D2860 #7D6F28 #287D45

square

#28367D #7D2860 #7D6F28 #287D45

split-complementary

#28367D #7D4528 #607D28

monochromatic

#0A0E20 #19224F #28367D #374AAB #5669C9

Accessibility & contrast

On white

10.97

#28367D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#28367D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28367D

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28367D	#FFFFFF	#000000	##FFFFFF
##28367D	1.00	10.97	1.91	10.97
#FFFFFF	10.97	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	10.97	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00407F

Deuteranopia (green-blind)

#00397C

Tritanopia (blue-blind)

#004754

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #28367d;
/* rgb */ color: rgb(40, 54, 125);
/* oklch */ color: oklch(36.5% 0.121 270.8);

Tailwind

colors: {
  custom: {
    50: '#6d6ca3',
    500: '#28367d',
    950: '#000000',
  },
}

SCSS

$custom: #28367d;
$custom-light: #6d6ca3;
$custom-dark: #000000;

JSON

{
  "hex": "#28367d",
  "rgb": {
    "r": 40,
    "g": 54,
    "b": 125
  },
  "hsl": {
    "h": 230.118,
    "s": 51.515,
    "l": 32.353
  },
  "oklch": {
    "l": 0.36482,
    "c": 0.1211,
    "h": 270.8
  },
  "luminance": 0.0457
}

Semantic roles & 50–950 ramp

primary

#28367D

secondary

#AE9F53

accent

#C44DDB

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#08070F

muted

#7A7A7F

Preview Lab

Preview with #28367D

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

Preview Lab → · Contrast checker → · Palette generator →