#3028B5#3028B5

#3028B5 is a dark, highly saturated blue. Relative luminance 0.055; OKLCH L 40.1% C 0.209 H 274.0°. Best body text is #FFFFFF at 10.02:1 contrast (WCAG AA passes).

Color values

HEX	#3028B5
RGB	rgb(48, 40, 181)
HSL	hsl(243, 64%, 43%)
HSV	hsv(243, 78%, 71%)
CMYK	cmyk(73.5%, 77.9%, 0%, 29%)
CIE-LAB	lab(28.06, 48.57, -72.14)
CIE-LCH	lch(28.06, 86.97, 303.95°)
OKLab	oklab(40.1% 0.0146 -0.2087)
OKLCH	oklch(40.1% 0.209 274)
XYZ	xyz(10.3154, 5.4811, 44.2214)
Luminance	0.0548 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3028B5 #ADB528

analogous

#2866B5 #3028B5 #7628B5

triadic

#3028B5 #B53028 #28B530

tetradic

#3028B5 #B52866 #ADB528 #28B576

square

#3028B5 #B52866 #ADB528 #28B576

split-complementary

#3028B5 #B57628 #66B528

monochromatic

#151251 #231D83 #3028B5 #4D44D6 #7D77E1

Accessibility & contrast

On white

10.02

#3028B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#3028B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3028B5

10.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3028B5	#FFFFFF	#000000	##FFFFFF
##3028B5	1.00	10.02	2.10	10.02
#FFFFFF	10.02	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049B9

Deuteranopia (green-blind)

#003BB3

Tritanopia (blue-blind)

#00536E

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3028b5;
/* rgb */ color: rgb(48, 40, 181);
/* oklch */ color: oklch(40.1% 0.209 274.0);

Tailwind

colors: {
  custom: {
    50: '#7e65cd',
    500: '#3028b5',
    950: '#000000',
  },
}

SCSS

$custom: #3028b5;
$custom-light: #7e65cd;
$custom-dark: #000000;

JSON

{
  "hex": "#3028b5",
  "rgb": {
    "r": 48,
    "g": 40,
    "b": 181
  },
  "hsl": {
    "h": 243.404,
    "s": 63.801,
    "l": 43.333
  },
  "oklch": {
    "l": 0.40099,
    "c": 0.20919,
    "h": 274
  },
  "luminance": 0.05482
}

Semantic roles & 50–950 ramp

primary

#3028B5

secondary

#C3C870

accent

#E741DD

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3028B5

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

Preview Lab → · Contrast checker → · Palette generator →