#3028B8#3028B8

#3028B8 is a dark, highly saturated blue. Relative luminance 0.056; OKLCH L 40.4% C 0.213 H 273.7°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#3028B8
RGB	rgb(48, 40, 184)
HSL	hsl(243, 64%, 44%)
HSV	hsv(243, 78%, 72%)
CMYK	cmyk(73.9%, 78.3%, 0%, 27.8%)
CIE-LAB	lab(28.39, 49.52, -73.38)
CIE-LCH	lch(28.39, 88.52, 304.01°)
OKLab	oklab(40.43% 0.0139 -0.2123)
OKLCH	oklch(40.43% 0.213 273.7)
XYZ	xyz(10.6266, 5.6056, 45.8601)
Luminance	0.0561 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3028B8 #B0B828

analogous

#2868B8 #3028B8 #7828B8

triadic

#3028B8 #B83028 #28B830

tetradic

#3028B8 #B82868 #B0B828 #28B878

square

#3028B8 #B82868 #B0B828 #28B878

split-complementary

#3028B8 #B87828 #68B828

monochromatic

#161253 #231D86 #3028B8 #4E46D7 #7E79E2

Accessibility & contrast

On white

9.90

#3028B8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#3028B8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3028B8

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3028B8	#FFFFFF	#000000	##FFFFFF
##3028B8	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004ABC

Deuteranopia (green-blind)

#003CB6

Tritanopia (blue-blind)

#00546F

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3028b8;
/* rgb */ color: rgb(48, 40, 184);
/* oklch */ color: oklch(40.4% 0.213 273.7);

Tailwind

colors: {
  custom: {
    50: '#7f65cf',
    500: '#3028b8',
    950: '#000000',
  },
}

SCSS

$custom: #3028b8;
$custom-light: #7f65cf;
$custom-dark: #000000;

JSON

{
  "hex": "#3028b8",
  "rgb": {
    "r": 48,
    "g": 40,
    "b": 184
  },
  "hsl": {
    "h": 243.333,
    "s": 64.286,
    "l": 43.922
  },
  "oklch": {
    "l": 0.40429,
    "c": 0.21273,
    "h": 273.7
  },
  "luminance": 0.05607
}

Semantic roles & 50–950 ramp

primary

#3028B8

secondary

#C5CA72

accent

#E741DE

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3028B8

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

Preview Lab → · Contrast checker → · Palette generator →