#333751#333751

#333751 is a dark, muted blue. Relative luminance 0.040; OKLCH L 34.5% C 0.046 H 277.0°. Best body text is #FFFFFF at 11.63:1 contrast (WCAG AA passes).

Color values

HEX	#333751
RGB	rgb(51, 55, 81)
HSL	hsl(232, 23%, 26%)
HSV	hsv(232, 37%, 32%)
CMYK	cmyk(37%, 32.1%, 0%, 68.2%)
CIE-LAB	lab(23.77, 5.57, -16.36)
CIE-LCH	lch(23.77, 17.29, 288.80°)
OKLab	oklab(34.49% 0.0056 -0.0455)
OKLCH	oklch(34.49% 0.046 277)
XYZ	xyz(4.2162, 4.0301, 8.3387)
Luminance	0.0403 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333751 #514D33

analogous

#334651 #333751 #3E3351

triadic

#333751 #513337 #375133

tetradic

#333751 #513346 #514D33 #33513E

square

#333751 #513346 #514D33 #33513E

split-complementary

#333751 #513E33 #465133

monochromatic

#0C0D13 #1B1D2B #333751 #4B5077 #626A9C

Accessibility & contrast

On white

11.63

#333751 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#333751 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333751

11.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333751	#FFFFFF	#000000	##FFFFFF
##333751	1.00	11.63	1.81	11.63
#FFFFFF	11.63	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3A52

Deuteranopia (green-blind)

#2D3750

Tritanopia (blue-blind)

#2B3C40

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #333751;
/* rgb */ color: rgb(51, 55, 81);
/* oklch */ color: oklch(34.5% 0.046 277.0);

Tailwind

colors: {
  custom: {
    50: '#6c6d82',
    500: '#333751',
    950: '#000000',
  },
}

SCSS

$custom: #333751;
$custom-light: #6c6d82;
$custom-dark: #000000;

JSON

{
  "hex": "#333751",
  "rgb": {
    "r": 51,
    "g": 55,
    "b": 81
  },
  "hsl": {
    "h": 232,
    "s": 22.727,
    "l": 25.882
  },
  "oklch": {
    "l": 0.34489,
    "c": 0.04583,
    "h": 277
  },
  "luminance": 0.0403
}

Semantic roles & 50–950 ramp

primary

#333751

secondary

#827D5E

accent

#B469BF

background

#F6F6F7

surface

#EBEBEE

border

#C6C6C9

text

#07070A

muted

#7A7A7C

Preview Lab

Preview with #333751

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

Preview Lab → · Contrast checker → · Palette generator →