#28448D#28448D

#28448D is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.8% C 0.126 H 265.4°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#28448D
RGB	rgb(40, 68, 141)
HSL	hsl(223, 56%, 35%)
HSV	hsv(223, 72%, 55%)
CMYK	cmyk(71.6%, 51.8%, 0%, 44.7%)
CIE-LAB	lab(30.66, 15.68, -43.70)
CIE-LCH	lch(30.66, 46.43, 289.74°)
OKLab	oklab(40.78% -0.0101 -0.1255)
OKLCH	oklch(40.78% 0.126 265.4)
XYZ	xyz(7.7482, 6.5077, 26.0419)
Luminance	0.0651 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28448D #8D7128

analogous

#28768D #28448D #3E288D

triadic

#28448D #8D2844 #448D28

tetradic

#28448D #8D2876 #8D7128 #288D3E

square

#28448D #8D2876 #8D7128 #288D3E

split-complementary

#28448D #8D3E28 #768D28

monochromatic

#0D162E #1A2D5D #28448D #365BBD #5E7ED1

Accessibility & contrast

On white

9.12

#28448D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#28448D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28448D

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28448D	#FFFFFF	#000000	##FFFFFF
##28448D	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#194D90

Deuteranopia (green-blind)

#00448C

Tritanopia (blue-blind)

#005562

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #28448d;
/* rgb */ color: rgb(40, 68, 141);
/* oklch */ color: oklch(40.8% 0.126 265.4);

Tailwind

colors: {
  custom: {
    50: '#6f77af',
    500: '#28448d',
    950: '#000000',
  },
}

SCSS

$custom: #28448d;
$custom-light: #6f77af;
$custom-dark: #000000;

JSON

{
  "hex": "#28448d",
  "rgb": {
    "r": 40,
    "g": 68,
    "b": 141
  },
  "hsl": {
    "h": 223.366,
    "s": 55.801,
    "l": 35.49
  },
  "oklch": {
    "l": 0.4078,
    "c": 0.12591,
    "h": 265.4
  },
  "luminance": 0.06508
}

Semantic roles & 50–950 ramp

primary

#28448D

secondary

#B79D5A

accent

#B549DF

background

#F7F7FA

surface

#EDEDF4

border

#C8C8CE

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #28448D

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

Preview Lab → · Contrast checker → · Palette generator →