#28479F#28479F

#28479F is a dark, vivid blue. Relative luminance 0.075; OKLCH L 42.8% C 0.148 H 265.7°. Best body text is #FFFFFF at 8.43:1 contrast (WCAG AA passes).

Color values

HEX	#28479F
RGB	rgb(40, 71, 159)
HSL	hsl(224, 60%, 39%)
HSV	hsv(224, 75%, 62%)
CMYK	cmyk(74.8%, 55.3%, 0%, 37.6%)
CIE-LAB	lab(32.83, 20.61, -51.15)
CIE-LCH	lch(32.83, 55.14, 291.95°)
OKLab	oklab(42.85% -0.011 -0.1473)
OKLCH	oklch(42.85% 0.148 265.7)
XYZ	xyz(9.3841, 7.4598, 33.7395)
Luminance	0.0746 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#28479F #9F8028

analogous

#28839F #28479F #45289F

triadic

#28479F #9F2847 #479F28

tetradic

#28479F #9F2883 #9F8028 #289F45

square

#28479F #9F2883 #9F8028 #289F45

split-complementary

#28479F #9F4528 #839F28

monochromatic

#0F1B3D #1C316E #28479F #375ECD #6886D9

Accessibility & contrast

On white

8.43

#28479F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#28479F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #28479F

8.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##28479F	#FFFFFF	#000000	##FFFFFF
##28479F	1.00	8.43	2.49	8.43
#FFFFFF	8.43	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053A2

Deuteranopia (green-blind)

#00489D

Tritanopia (blue-blind)

#005C6C

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #28479f;
/* rgb */ color: rgb(40, 71, 159);
/* oklch */ color: oklch(42.8% 0.148 265.7);

Tailwind

colors: {
  custom: {
    50: '#7379bc',
    500: '#28479f',
    950: '#000000',
  },
}

SCSS

$custom: #28479f;
$custom-light: #7379bc;
$custom-dark: #000000;

JSON

{
  "hex": "#28479f",
  "rgb": {
    "r": 40,
    "g": 71,
    "b": 159
  },
  "hsl": {
    "h": 224.37,
    "s": 59.799,
    "l": 39.02
  },
  "oklch": {
    "l": 0.42846,
    "c": 0.14776,
    "h": 265.7
  },
  "luminance": 0.07461
}

Semantic roles & 50–950 ramp

primary

#28479F

secondary

#BFA764

accent

#BA45E3

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #28479F

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

Preview Lab → · Contrast checker → · Palette generator →