#33288B#33288B

#33288B is a dark, vivid blue. Relative luminance 0.041; OKLCH L 35.9% C 0.156 H 280.1°. Best body text is #FFFFFF at 11.56:1 contrast (WCAG AA passes).

Color values

HEX	#33288B
RGB	rgb(51, 40, 139)
HSL	hsl(247, 55%, 35%)
HSV	hsv(247, 71%, 55%)
CMYK	cmyk(63.3%, 71.2%, 0%, 45.5%)
CIE-LAB	lab(23.95, 35.19, -53.35)
CIE-LCH	lch(23.95, 63.91, 303.41°)
OKLab	oklab(35.95% 0.0273 -0.1538)
OKLCH	oklch(35.95% 0.156 280.1)
XYZ	xyz(6.7828, 4.0850, 24.8521)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33288B #808B28

analogous

#284E8B #33288B #65288B

triadic

#33288B #8B3328 #288B33

tetradic

#33288B #8B284E #808B28 #288B65

square

#33288B #8B284E #808B28 #288B65

split-complementary

#33288B #8B6528 #4E8B28

monochromatic

#100D2C #221A5B #33288B #4436BB #6A5DD0

Accessibility & contrast

On white

11.56

#33288B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#33288B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33288B

11.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33288B	#FFFFFF	#000000	##FFFFFF
##33288B	1.00	11.56	1.82	11.56
#FFFFFF	11.56	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D8E

Deuteranopia (green-blind)

#003589

Tritanopia (blue-blind)

#004256

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #33288b;
/* rgb */ color: rgb(51, 40, 139);
/* oklch */ color: oklch(35.9% 0.156 280.1);

Tailwind

colors: {
  custom: {
    50: '#7663ae',
    500: '#33288b',
    950: '#000000',
  },
}

SCSS

$custom: #33288b;
$custom-light: #7663ae;
$custom-dark: #000000;

JSON

{
  "hex": "#33288b",
  "rgb": {
    "r": 51,
    "g": 40,
    "b": 139
  },
  "hsl": {
    "h": 246.667,
    "s": 55.307,
    "l": 35.098
  },
  "oklch": {
    "l": 0.35946,
    "c": 0.15621,
    "h": 280.1
  },
  "luminance": 0.04085
}

Semantic roles & 50–950 ramp

primary

#33288B

secondary

#ABB659

accent

#DF49CE

background

#F7F6FA

surface

#EEEBF4

border

#C9C6CE

text

#090510

muted

#7B7A7F

Preview Lab

Preview with #33288B

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

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