#333B60#333B60

#333B60 is a dark, moderate blue. Relative luminance 0.047; OKLCH L 36.3% C 0.065 H 273.5°. Best body text is #FFFFFF at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#333B60
RGB	rgb(51, 59, 96)
HSL	hsl(229, 31%, 29%)
HSV	hsv(229, 47%, 38%)
CMYK	cmyk(46.9%, 38.5%, 0%, 62.4%)
CIE-LAB	lab(25.79, 7.71, -23.03)
CIE-LCH	lch(25.79, 24.29, 288.51°)
OKLab	oklab(36.31% 0.004 -0.0648)
OKLCH	oklch(36.31% 0.065 273.5)
XYZ	xyz(5.0399, 4.6760, 11.7011)
Luminance	0.0468 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#333B60 #605833

analogous

#335260 #333B60 #423360

triadic

#333B60 #60333B #3B6033

tetradic

#333B60 #603352 #605833 #336042

square

#333B60 #603352 #605833 #336042

split-complementary

#333B60 #604233 #526033

monochromatic

#0B0C14 #1E2238 #333B60 #485488 #626FAC

Accessibility & contrast

On white

10.85

#333B60 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#333B60 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #333B60

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##333B60	#FFFFFF	#000000	##FFFFFF
##333B60	1.00	10.85	1.94	10.85
#FFFFFF	10.85	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3F61

Deuteranopia (green-blind)

#2A3B5F

Tritanopia (blue-blind)

#244349

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #333b60;
/* rgb */ color: rgb(51, 59, 96);
/* oklch */ color: oklch(36.3% 0.065 273.5);

Tailwind

colors: {
  custom: {
    50: '#6d708d',
    500: '#333b60',
    950: '#000000',
  },
}

SCSS

$custom: #333b60;
$custom-light: #6d708d;
$custom-dark: #000000;

JSON

{
  "hex": "#333b60",
  "rgb": {
    "r": 51,
    "g": 59,
    "b": 96
  },
  "hsl": {
    "h": 229.333,
    "s": 30.612,
    "l": 28.824
  },
  "oklch": {
    "l": 0.36308,
    "c": 0.06488,
    "h": 273.5
  },
  "luminance": 0.04676
}

Semantic roles & 50–950 ramp

primary

#333B60

secondary

#91885E

accent

#B561C7

background

#F6F6F8

surface

#ECECF0

border

#C7C7CB

text

#07070C

muted

#7A7A7D

Preview Lab

Preview with #333B60

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

Preview Lab → · Contrast checker → · Palette generator →