#3028B4#3028B4

#3028B4 is a dark, highly saturated blue. Relative luminance 0.054; OKLCH L 40.0% C 0.208 H 274.1°. Best body text is #FFFFFF at 10.06:1 contrast (WCAG AA passes).

Color values

HEX	#3028B4
RGB	rgb(48, 40, 180)
HSL	hsl(243, 64%, 43%)
HSV	hsv(243, 78%, 71%)
CMYK	cmyk(73.3%, 77.8%, 0%, 29.4%)
CIE-LAB	lab(27.95, 48.25, -71.73)
CIE-LCH	lch(27.95, 86.45, 303.93°)
OKLab	oklab(39.99% 0.0148 -0.2075)
OKLCH	oklch(39.99% 0.208 274.1)
XYZ	xyz(10.2132, 5.4402, 43.6830)
Luminance	0.0544 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3028B4 #ACB428

analogous

#2866B4 #3028B4 #7628B4

triadic

#3028B4 #B43028 #28B430

tetradic

#3028B4 #B42866 #ACB428 #28B476

square

#3028B4 #B42866 #ACB428 #28B476

split-complementary

#3028B4 #B47628 #66B428

monochromatic

#151250 #231D82 #3028B4 #4C44D5 #7C76E1

Accessibility & contrast

On white

10.06

#3028B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.09

#3028B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3028B4

10.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3028B4	#FFFFFF	#000000	##FFFFFF
##3028B4	1.00	10.06	2.09	10.06
#FFFFFF	10.06	1.00	21.00	1.00
#000000	2.09	21.00	1.00	21.00
##FFFFFF	10.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048B8

Deuteranopia (green-blind)

#003BB2

Tritanopia (blue-blind)

#00526D

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #3028b4;
/* rgb */ color: rgb(48, 40, 180);
/* oklch */ color: oklch(40.0% 0.208 274.1);

Tailwind

colors: {
  custom: {
    50: '#7e65cc',
    500: '#3028b4',
    950: '#000000',
  },
}

SCSS

$custom: #3028b4;
$custom-light: #7e65cc;
$custom-dark: #000000;

JSON

{
  "hex": "#3028b4",
  "rgb": {
    "r": 48,
    "g": 40,
    "b": 180
  },
  "hsl": {
    "h": 243.429,
    "s": 63.636,
    "l": 43.137
  },
  "oklch": {
    "l": 0.3999,
    "c": 0.20801,
    "h": 274.1
  },
  "luminance": 0.05441
}

Semantic roles & 50–950 ramp

primary

#3028B4

secondary

#C3C870

accent

#E741DD

background

#F8F6FC

surface

#F0EBF9

border

#CBC6D2

text

#0C0614

muted

#7D7A82

Preview Lab

Preview with #3028B4

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

Preview Lab → · Contrast checker → · Palette generator →