#3033B4#3033B4

#3033B4 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.5% C 0.197 H 272.8°. Best body text is #FFFFFF at 9.30:1 contrast (WCAG AA passes).

Color values

HEX	#3033B4
RGB	rgb(48, 51, 180)
HSL	hsl(239, 58%, 45%)
HSV	hsv(239, 73%, 71%)
CMYK	cmyk(73.3%, 71.7%, 0%, 29.4%)
CIE-LAB	lab(30.13, 42.11, -68.13)
CIE-LCH	lch(30.13, 80.09, 301.72°)
OKLab	oklab(41.54% 0.0096 -0.1971)
OKLCH	oklch(41.54% 0.197 272.8)
XYZ	xyz(10.6382, 6.2902, 43.8247)
Luminance	0.0629 (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

#3033B4 #B4B130

analogous

#3075B4 #3033B4 #6F30B4

triadic

#3033B4 #B43033 #33B430

tetradic

#3033B4 #B43075 #B4B130 #30B46F

square

#3033B4 #B43075 #B4B130 #30B46F

split-complementary

#3033B4 #B46F30 #75B430

monochromatic

#161853 #232584 #3033B4 #5154D1 #8183DD

Accessibility & contrast

On white

9.30

#3033B4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.26

#3033B4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3033B4

9.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3033B4	#FFFFFF	#000000	##FFFFFF
##3033B4	1.00	9.30	2.26	9.30
#FFFFFF	9.30	1.00	21.00	1.00
#000000	2.26	21.00	1.00	21.00
##FFFFFF	9.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB8

Deuteranopia (green-blind)

#0041B2

Tritanopia (blue-blind)

#005770

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #3033b4;
/* rgb */ color: rgb(48, 51, 180);
/* oklch */ color: oklch(41.5% 0.197 272.8);

Tailwind

colors: {
  custom: {
    50: '#7d6ccc',
    500: '#3033b4',
    950: '#000000',
  },
}

SCSS

$custom: #3033b4;
$custom-light: #7d6ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#3033b4",
  "rgb": {
    "r": 48,
    "g": 51,
    "b": 180
  },
  "hsl": {
    "h": 238.636,
    "s": 57.895,
    "l": 44.706
  },
  "oklch": {
    "l": 0.41535,
    "c": 0.19732,
    "h": 272.8
  },
  "luminance": 0.06291
}

Semantic roles & 50–950 ramp

primary

#3033B4

secondary

#C6C579

accent

#DE47E1

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3033B4

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

Preview Lab → · Contrast checker → · Palette generator →