#3033AD#3033AD

#3033AD is a dark, vivid blue. Relative luminance 0.060; OKLCH L 40.8% C 0.189 H 273.2°. Best body text is #FFFFFF at 9.53:1 contrast (WCAG AA passes).

Color values

HEX	#3033AD
RGB	rgb(48, 51, 173)
HSL	hsl(239, 57%, 43%)
HSV	hsv(239, 72%, 68%)
CMYK	cmyk(72.3%, 70.5%, 0%, 32.2%)
CIE-LAB	lab(29.44, 39.72, -65.08)
CIE-LCH	lch(29.44, 76.25, 301.39°)
OKLab	oklab(40.83% 0.0106 -0.1882)
OKLCH	oklch(40.83% 0.189 273.2)
XYZ	xyz(9.9431, 6.0122, 40.1635)
Luminance	0.0601 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 6.08

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3033AD #ADAA30

analogous

#3071AD #3033AD #6B30AD

triadic

#3033AD #AD3033 #33AD30

tetradic

#3033AD #AD3071 #ADAA30 #30AD6B

square

#3033AD #AD3071 #ADAA30 #30AD6B

split-complementary

#3033AD #AD6B30 #71AD30

monochromatic

#15174D #23257D #3033AD #4D50CE #7D7FDB

Accessibility & contrast

On white

9.53

#3033AD on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#3033AD on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3033AD

9.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3033AD	#FFFFFF	#000000	##FFFFFF
##3033AD	1.00	9.53	2.20	9.53
#FFFFFF	9.53	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004BB1

Deuteranopia (green-blind)

#003FAB

Tritanopia (blue-blind)

#00556C

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #3033ad;
/* rgb */ color: rgb(48, 51, 173);
/* oklch */ color: oklch(40.8% 0.189 273.2);

Tailwind

colors: {
  custom: {
    50: '#7b6bc7',
    500: '#3033ad',
    950: '#000000',
  },
}

SCSS

$custom: #3033ad;
$custom-light: #7b6bc7;
$custom-dark: #000000;

JSON

{
  "hex": "#3033ad",
  "rgb": {
    "r": 48,
    "g": 51,
    "b": 173
  },
  "hsl": {
    "h": 238.56,
    "s": 56.561,
    "l": 43.333
  },
  "oklch": {
    "l": 0.40832,
    "c": 0.18851,
    "h": 273.2
  },
  "luminance": 0.06013
}

Semantic roles & 50–950 ramp

primary

#3033AD

secondary

#C3C275

accent

#DC48E0

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0713

muted

#7C7A82

Preview Lab

Preview with #3033AD

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

Preview Lab → · Contrast checker → · Palette generator →