#333D64#333D64

#333D64 is a dark, moderate blue. Relative luminance 0.050; OKLCH L 37.0% C 0.068 H 271.8°. Best body text is #FFFFFF at 10.54:1 contrast (WCAG AA passes).

Color values

HEX	#333D64
RGB	rgb(51, 61, 100)
HSL	hsl(228, 32%, 30%)
HSV	hsv(228, 49%, 39%)
CMYK	cmyk(49%, 39%, 0%, 60.8%)
CIE-LAB	lab(26.62, 7.70, -24.31)
CIE-LCH	lch(26.62, 25.50, 287.58°)
OKLab	oklab(37.02% 0.0022 -0.0685)
OKLCH	oklch(37.02% 0.068 271.8)
XYZ	xyz(5.3335, 4.9611, 12.7307)
Luminance	0.0496 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333D64 #645A33

analogous

#335664 #333D64 #423364

triadic

#333D64 #64333D #3D6433

tetradic

#333D64 #643356 #645A33 #336442

square

#333D64 #643356 #645A33 #336442

split-complementary

#333D64 #644233 #566433

monochromatic

#0A0C14 #1E243B #333D64 #48568D #6272AF

Accessibility & contrast

On white

10.54

#333D64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#333D64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333D64

10.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333D64	#FFFFFF	#000000	##FFFFFF
##333D64	1.00	10.54	1.99	10.54
#FFFFFF	10.54	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F4166

Deuteranopia (green-blind)

#2A3D63

Tritanopia (blue-blind)

#21454B

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #333d64;
/* rgb */ color: rgb(51, 61, 100);
/* oklch */ color: oklch(37.0% 0.068 271.8);

Tailwind

colors: {
  custom: {
    50: '#6e7290',
    500: '#333d64',
    950: '#000000',
  },
}

SCSS

$custom: #333d64;
$custom-light: #6e7290;
$custom-dark: #000000;

JSON

{
  "hex": "#333d64",
  "rgb": {
    "r": 51,
    "g": 61,
    "b": 100
  },
  "hsl": {
    "h": 227.755,
    "s": 32.45,
    "l": 29.608
  },
  "oklch": {
    "l": 0.37022,
    "c": 0.06849,
    "h": 271.8
  },
  "luminance": 0.04961
}

Semantic roles & 50–950 ramp

primary

#333D64

secondary

#958A5E

accent

#B35FC9

background

#F6F6F8

surface

#ECECF0

border

#C7C7CB

text

#07070C

muted

#7A7A7D

Preview Lab

Preview with #333D64

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

Preview Lab → · Contrast checker → · Palette generator →