#333680#333680

#333680 is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.5% C 0.122 H 277.0°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#333680
RGB	rgb(51, 54, 128)
HSL	hsl(238, 43%, 35%)
HSV	hsv(238, 60%, 50%)
CMYK	cmyk(60.2%, 57.8%, 0%, 49.8%)
CIE-LAB	lab(26.45, 22.33, -42.40)
CIE-LCH	lch(26.45, 47.92, 297.78°)
OKLab	oklab(37.48% 0.0149 -0.1216)
OKLCH	oklch(37.48% 0.122 277)
XYZ	xyz(6.5794, 4.9002, 21.0170)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333680 #807D33

analogous

#335D80 #333680 #563380

triadic

#333680 #803336 #368033

tetradic

#333680 #80335D #807D33 #338056

square

#333680 #80335D #807D33 #338056

split-complementary

#333680 #805633 #5D8033

monochromatic

#101128 #222454 #333680 #4448AC #6A6DC4

Accessibility & contrast

On white

10.60

#333680 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#333680 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333680

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333680	#FFFFFF	#000000	##FFFFFF
##333680	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004283

Deuteranopia (green-blind)

#003B7E

Tritanopia (blue-blind)

#004755

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #333680;
/* rgb */ color: rgb(51, 54, 128);
/* oklch */ color: oklch(37.5% 0.122 277.0);

Tailwind

colors: {
  custom: {
    50: '#736da5',
    500: '#333680',
    950: '#000000',
  },
}

SCSS

$custom: #333680;
$custom-light: #736da5;
$custom-dark: #000000;

JSON

{
  "hex": "#333680",
  "rgb": {
    "r": 51,
    "g": 54,
    "b": 128
  },
  "hsl": {
    "h": 237.662,
    "s": 43.017,
    "l": 35.098
  },
  "oklch": {
    "l": 0.37481,
    "c": 0.12249,
    "h": 277
  },
  "luminance": 0.04901
}

Semantic roles & 50–950 ramp

primary

#333680

secondary

#ABA963

accent

#CE55D3

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#08070F

muted

#7B7A7F

Preview Lab

Preview with #333680

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

Preview Lab → · Contrast checker → · Palette generator →