#3033AB#3033AB

#3033AB is a dark, vivid blue. Relative luminance 0.059; OKLCH L 40.6% C 0.186 H 273.3°. Best body text is #FFFFFF at 9.60:1 contrast (WCAG AA passes).

Color values

HEX	#3033AB
RGB	rgb(48, 51, 171)
HSL	hsl(239, 56%, 43%)
HSV	hsv(239, 72%, 67%)
CMYK	cmyk(71.9%, 70.2%, 0%, 32.9%)
CIE-LAB	lab(29.25, 39.03, -64.21)
CIE-LCH	lch(29.25, 75.14, 301.30°)
OKLab	oklab(40.63% 0.0109 -0.1856)
OKLCH	oklch(40.63% 0.186 273.3)
XYZ	xyz(9.7510, 5.9353, 39.1519)
Luminance	0.0594 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.27

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3033AB #ABA830

analogous

#3070AB #3033AB #6B30AB

triadic

#3033AB #AB3033 #33AB30

tetradic

#3033AB #AB3070 #ABA830 #30AB6B

square

#3033AB #AB3070 #ABA830 #30AB6B

split-complementary

#3033AB #AB6B30 #70AB30

monochromatic

#15164B #23257B #3033AB #4C4FCD #7B7EDA

Accessibility & contrast

On white

9.60

#3033AB on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#3033AB on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3033AB

9.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3033AB	#FFFFFF	#000000	##FFFFFF
##3033AB	1.00	9.60	2.19	9.60
#FFFFFF	9.60	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BAF

Deuteranopia (green-blind)

#003FA9

Tritanopia (blue-blind)

#00546B

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3033ab;
/* rgb */ color: rgb(48, 51, 171);
/* oklch */ color: oklch(40.6% 0.186 273.3);

Tailwind

colors: {
  custom: {
    50: '#7b6bc5',
    500: '#3033ab',
    950: '#000000',
  },
}

SCSS

$custom: #3033ab;
$custom-light: #7b6bc5;
$custom-dark: #000000;

JSON

{
  "hex": "#3033ab",
  "rgb": {
    "r": 48,
    "g": 51,
    "b": 171
  },
  "hsl": {
    "h": 238.537,
    "s": 56.164,
    "l": 42.941
  },
  "oklch": {
    "l": 0.40633,
    "c": 0.18597,
    "h": 273.3
  },
  "luminance": 0.05936
}

Semantic roles & 50–950 ramp

primary

#3033AB

secondary

#C3C174

accent

#DC48DF

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3033AB

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

Preview Lab → · Contrast checker → · Palette generator →