#28448E#28448E

#28448E is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.9% C 0.127 H 265.5°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#28448E
RGB	rgb(40, 68, 142)
HSL	hsl(224, 56%, 36%)
HSV	hsv(224, 72%, 56%)
CMYK	cmyk(71.8%, 52.1%, 0%, 44.3%)
CIE-LAB	lab(30.73, 16.07, -44.20)
CIE-LCH	lch(30.73, 47.03, 289.98°)
OKLab	oklab(40.86% -0.01 -0.127)
OKLCH	oklch(40.86% 0.127 265.5)
XYZ	xyz(7.8230, 6.5376, 26.4355)
Luminance	0.0654 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28448E #8E7228

analogous

#28778E #28448E #3F288E

triadic

#28448E #8E2844 #448E28

tetradic

#28448E #8E2877 #8E7228 #288E3F

square

#28448E #8E2877 #8E7228 #288E3F

split-complementary

#28448E #8E3F28 #778E28

monochromatic

#0D162F #1B2D5E #28448E #355BBE #5F7ED2

Accessibility & contrast

On white

9.10

#28448E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#28448E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28448E

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28448E	#FFFFFF	#000000	##FFFFFF
##28448E	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174D91

Deuteranopia (green-blind)

#00448D

Tritanopia (blue-blind)

#005662

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #28448e;
/* rgb */ color: rgb(40, 68, 142);
/* oklch */ color: oklch(40.9% 0.127 265.5);

Tailwind

colors: {
  custom: {
    50: '#6f77b0',
    500: '#28448e',
    950: '#000000',
  },
}

SCSS

$custom: #28448e;
$custom-light: #6f77b0;
$custom-dark: #000000;

JSON

{
  "hex": "#28448e",
  "rgb": {
    "r": 40,
    "g": 68,
    "b": 142
  },
  "hsl": {
    "h": 223.529,
    "s": 56.044,
    "l": 35.686
  },
  "oklch": {
    "l": 0.40857,
    "c": 0.12736,
    "h": 265.5
  },
  "luminance": 0.06538
}

Semantic roles & 50–950 ramp

primary

#28448E

secondary

#B79E5B

accent

#B648DF

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#080810

muted

#7B7B7F

Preview Lab

Preview with #28448E

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

Preview Lab → · Contrast checker → · Palette generator →