#33257A#33257A

#33257A is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.8% C 0.137 H 283.8°. Best body text is #FFFFFF at 12.45:1 contrast (WCAG AA passes).

Color values

HEX	#33257A
RGB	rgb(51, 37, 122)
HSL	hsl(250, 53%, 31%)
HSV	hsv(250, 70%, 48%)
CMYK	cmyk(58.2%, 69.7%, 0%, 52.2%)
CIE-LAB	lab(21.70, 31.36, -46.33)
CIE-LCH	lch(21.70, 55.95, 304.09°)
OKLab	oklab(33.84% 0.0328 -0.1332)
OKLCH	oklch(33.84% 0.137 283.8)
XYZ	xyz(5.5386, 3.4318, 18.7791)
Luminance	0.0343 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33257A #6C7A25

analogous

#25417A #33257A #5D257A

triadic

#33257A #7A3325 #257A33

tetradic

#33257A #7A2541 #6C7A25 #257A5D

square

#33257A #7A2541 #6C7A25 #257A5D

split-complementary

#33257A #7A5D25 #417A25

monochromatic

#0C091C #1F174B #33257A #4733A9 #6450CA

Accessibility & contrast

On white

12.45

#33257A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#33257A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33257A

12.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33257A	#FFFFFF	#000000	##FFFFFF
##33257A	1.00	12.45	1.69	12.45
#FFFFFF	12.45	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00377D

Deuteranopia (green-blind)

#003178

Tritanopia (blue-blind)

#103B4C

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #33257a;
/* rgb */ color: rgb(51, 37, 122);
/* oklch */ color: oklch(33.8% 0.137 283.8);

Tailwind

colors: {
  custom: {
    50: '#7361a1',
    500: '#33257a',
    950: '#000000',
  },
}

SCSS

$custom: #33257a;
$custom-light: #7361a1;
$custom-dark: #000000;

JSON

{
  "hex": "#33257a",
  "rgb": {
    "r": 51,
    "g": 37,
    "b": 122
  },
  "hsl": {
    "h": 249.882,
    "s": 53.459,
    "l": 31.176
  },
  "oklch": {
    "l": 0.33839,
    "c": 0.13721,
    "h": 283.8
  },
  "luminance": 0.03432
}

Semantic roles & 50–950 ramp

primary

#33257A

secondary

#9DAC4E

accent

#DD4BC5

background

#F7F5FA

surface

#EDE9F3

border

#C8C5CD

text

#09050F

muted

#7B797F

Preview Lab

Preview with #33257A

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

Preview Lab → · Contrast checker → · Palette generator →