#3028BB#3028BB

#3028BB is a dark, highly saturated blue. Relative luminance 0.057; OKLCH L 40.8% C 0.216 H 273.5°. Best body text is #FFFFFF at 9.78:1 contrast (WCAG AA passes).

Color values

HEX	#3028BB
RGB	rgb(48, 40, 187)
HSL	hsl(243, 65%, 45%)
HSV	hsv(243, 79%, 73%)
CMYK	cmyk(74.3%, 78.6%, 0%, 26.7%)
CIE-LAB	lab(28.73, 50.46, -74.60)
CIE-LCH	lch(28.73, 90.07, 304.07°)
OKLab	oklab(40.76% 0.0132 -0.2158)
OKLCH	oklch(40.76% 0.216 273.5)
XYZ	xyz(10.9444, 5.7327, 47.5338)
Luminance	0.0573 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3028BB #B3BB28

analogous

#286ABB #3028BB #7928BB

triadic

#3028BB #BB3028 #28BB30

tetradic

#3028BB #BB286A #B3BB28 #28BB79

square

#3028BB #BB286A #B3BB28 #28BB79

split-complementary

#3028BB #BB7928 #6ABB28

monochromatic

#161256 #231D89 #3028BB #5048D8 #807BE3

Accessibility & contrast

On white

9.78

#3028BB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#3028BB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3028BB

9.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3028BB	#FFFFFF	#000000	##FFFFFF
##3028BB	1.00	9.78	2.15	9.78
#FFFFFF	9.78	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004ABF

Deuteranopia (green-blind)

#003DB8

Tritanopia (blue-blind)

#005571

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3028bb;
/* rgb */ color: rgb(48, 40, 187);
/* oklch */ color: oklch(40.8% 0.216 273.5);

Tailwind

colors: {
  custom: {
    50: '#7f65d1',
    500: '#3028bb',
    950: '#000000',
  },
}

SCSS

$custom: #3028bb;
$custom-light: #7f65d1;
$custom-dark: #000000;

JSON

{
  "hex": "#3028bb",
  "rgb": {
    "r": 48,
    "g": 40,
    "b": 187
  },
  "hsl": {
    "h": 243.265,
    "s": 64.758,
    "l": 44.51
  },
  "oklch": {
    "l": 0.40759,
    "c": 0.21624,
    "h": 273.5
  },
  "luminance": 0.05734
}

Semantic roles & 50–950 ramp

primary

#3028BB

secondary

#C6CB74

accent

#E840DF

background

#F8F6FD

surface

#F0EBFA

border

#CBC6D3

text

#0C0614

muted

#7D7A83

Preview Lab

Preview with #3028BB

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

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