#3033B5#3033B5

#3033B5 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.6% C 0.199 H 272.7°. Best body text is #FFFFFF at 9.27:1 contrast (WCAG AA passes).

Color values

HEX	#3033B5
RGB	rgb(48, 51, 181)
HSL	hsl(239, 58%, 45%)
HSV	hsv(239, 73%, 71%)
CMYK	cmyk(73.5%, 71.8%, 0%, 29%)
CIE-LAB	lab(30.23, 42.45, -68.56)
CIE-LCH	lch(30.23, 80.64, 301.77°)
OKLab	oklab(41.64% 0.0094 -0.1983)
OKLCH	oklch(41.64% 0.199 272.7)
XYZ	xyz(10.7404, 6.3311, 44.3631)
Luminance	0.0633 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3033B5 #B5B230

analogous

#3075B5 #3033B5 #7030B5

triadic

#3033B5 #B53033 #33B530

tetradic

#3033B5 #B53075 #B5B230 #30B570

square

#3033B5 #B53075 #B5B230 #30B570

split-complementary

#3033B5 #B57030 #75B530

monochromatic

#161854 #232585 #3033B5 #5154D1 #8284DE

Accessibility & contrast

On white

9.27

#3033B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#3033B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3033B5

9.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3033B5	#FFFFFF	#000000	##FFFFFF
##3033B5	1.00	9.27	2.27	9.27
#FFFFFF	9.27	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EB9

Deuteranopia (green-blind)

#0041B3

Tritanopia (blue-blind)

#005870

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3033b5;
/* rgb */ color: rgb(48, 51, 181);
/* oklch */ color: oklch(41.6% 0.199 272.7);

Tailwind

colors: {
  custom: {
    50: '#7d6ccc',
    500: '#3033b5',
    950: '#000000',
  },
}

SCSS

$custom: #3033b5;
$custom-light: #7d6ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#3033b5",
  "rgb": {
    "r": 48,
    "g": 51,
    "b": 181
  },
  "hsl": {
    "h": 238.647,
    "s": 58.079,
    "l": 44.902
  },
  "oklch": {
    "l": 0.41637,
    "c": 0.19856,
    "h": 272.7
  },
  "luminance": 0.06332
}

Semantic roles & 50–950 ramp

primary

#3033B5

secondary

#C7C57A

accent

#DE46E1

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #3033B5

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

Preview Lab → · Contrast checker → · Palette generator →