#33307B#33307B

#33307B is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.9% C 0.124 H 279.9°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#33307B
RGB	rgb(51, 48, 123)
HSL	hsl(242, 44%, 34%)
HSV	hsv(242, 61%, 48%)
CMYK	cmyk(58.5%, 61%, 0%, 51.8%)
CIE-LAB	lab(24.47, 24.59, -42.45)
CIE-LCH	lch(24.47, 49.06, 300.09°)
OKLab	oklab(35.89% 0.0214 -0.1218)
OKLCH	oklch(35.89% 0.124 279.9)
XYZ	xyz(5.9962, 4.2474, 19.2389)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#33307B #787B30

analogous

#30527B #33307B #58307B

triadic

#33307B #7B3330 #307B33

tetradic

#33307B #7B3052 #787B30 #307B58

square

#33307B #7B3052 #787B30 #307B58

split-complementary

#33307B #7B5830 #527B30

monochromatic

#0E0E23 #211F4F #33307B #4541A7 #6763C2

Accessibility & contrast

On white

11.35

#33307B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#33307B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #33307B

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##33307B	#FFFFFF	#000000	##FFFFFF
##33307B	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D7D

Deuteranopia (green-blind)

#003779

Tritanopia (blue-blind)

#0D4250

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #33307b;
/* rgb */ color: rgb(51, 48, 123);
/* oklch */ color: oklch(35.9% 0.124 279.9);

Tailwind

colors: {
  custom: {
    50: '#7268a2',
    500: '#33307b',
    950: '#000000',
  },
}

SCSS

$custom: #33307b;
$custom-light: #7268a2;
$custom-dark: #000000;

JSON

{
  "hex": "#33307b",
  "rgb": {
    "r": 51,
    "g": 48,
    "b": 123
  },
  "hsl": {
    "h": 242.4,
    "s": 43.86,
    "l": 33.529
  },
  "oklch": {
    "l": 0.35892,
    "c": 0.12364,
    "h": 279.9
  },
  "luminance": 0.04248
}

Semantic roles & 50–950 ramp

primary

#33307B

secondary

#A6A95D

accent

#D454CF

background

#F7F6FA

surface

#EDEBF3

border

#C8C6CD

text

#08060F

muted

#7B7A7F

Preview Lab

Preview with #33307B

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

Preview Lab → · Contrast checker → · Palette generator →