#3033A5#3033A5

#3033A5 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 40.0% C 0.178 H 273.7°. Best body text is #FFFFFF at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#3033A5
RGB	rgb(48, 51, 165)
HSL	hsl(238, 55%, 42%)
HSV	hsv(238, 71%, 65%)
CMYK	cmyk(70.9%, 69.1%, 0%, 35.3%)
CIE-LAB	lab(28.67, 36.95, -61.54)
CIE-LCH	lch(28.67, 71.78, 300.98°)
OKLab	oklab(40.04% 0.0116 -0.1779)
OKLCH	oklch(40.04% 0.178 273.7)
XYZ	xyz(9.1920, 5.7118, 36.2081)
Luminance	0.0571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3033A5 #A5A230

analogous

#306DA5 #3033A5 #6830A5

triadic

#3033A5 #A53033 #33A530

tetradic

#3033A5 #A5306D #A5A230 #30A568

square

#3033A5 #A5306D #A5A230 #30A568

split-complementary

#3033A5 #A56830 #6DA530

monochromatic

#141646 #222476 #3033A5 #484CCA #787AD8

Accessibility & contrast

On white

9.80

#3033A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#3033A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3033A5

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3033A5	#FFFFFF	#000000	##FFFFFF
##3033A5	1.00	9.80	2.14	9.80
#FFFFFF	9.80	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A8

Deuteranopia (green-blind)

#003EA3

Tritanopia (blue-blind)

#005268

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #3033a5;
/* rgb */ color: rgb(48, 51, 165);
/* oklch */ color: oklch(40.0% 0.178 273.7);

Tailwind

colors: {
  custom: {
    50: '#796bc1',
    500: '#3033a5',
    950: '#000000',
  },
}

SCSS

$custom: #3033a5;
$custom-light: #796bc1;
$custom-dark: #000000;

JSON

{
  "hex": "#3033a5",
  "rgb": {
    "r": 48,
    "g": 51,
    "b": 165
  },
  "hsl": {
    "h": 238.462,
    "s": 54.93,
    "l": 41.765
  },
  "oklch": {
    "l": 0.40044,
    "c": 0.17824,
    "h": 273.7
  },
  "luminance": 0.05713
}

Semantic roles & 50–950 ramp

primary

#3033A5

secondary

#C0BE71

accent

#DA4ADE

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #3033A5

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

Preview Lab → · Contrast checker → · Palette generator →