Nerdulator> put something in

Recognised as Colour

#333B42

  • #333B42
  • Blue
  • Dark
  • Nearest: Dark slate grey

#333B42 is a blue with RGB values 51, 59, 66 and HSL 208°, 13%, 23%. It is a dark colour, so white text on it reaches 11.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#333B42#333B42
HEX#333B42
RGBrgb(51, 59, 66)
RGB (0–1)0.2, 0.2314, 0.2588
RGB percentages20%, 23.1%, 25.9%
HSLhsl(208, 12.8%, 22.9%)
HSV / HSBhsv(208, 22.7%, 25.9%)
CMYK22.7%, 10.6%, 0%, 74.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,357,506
CSS custom property--colour: #333B42;

Brightness & contrast

Relative luminance0.04225WCAG 2.x, 0 is black and 1 is white
Perceived brightness57.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.38:1
Contrast with white11.38:1WCAG normal text: AAA
Contrast with black1.85:1WCAG normal text: Fail
Greyscale equivalent#3A3A3A
Inverted#CCC4BD

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#383B42no red cones; affects about 1% of men; ΔE 2.1 from the original
Deuteranopia#363942no green cones; the most common form, about 1% of men; ΔE 2.6 from the original
Tritanopia#2F3D3Dno blue cones; rare, and affects men and women equally; ΔE 5.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.38:1WCAG large text: AAA
Contrast with black, large text1.85:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 12.4Dim grey · ΔE 20.8Black · ΔE 25Slate grey · ΔE 28.9Gray · ΔE 29.7Light slate grey · ΔE 32
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 12.42, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#423A33
Analogous#334242, #333342
Triadic#42333B, #3B4233
Split complementary#423333, #424233
Tetradic#423342, #423A33, #334233

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#94A1AD
Lighter +30%#788896
Lighter +20%#5F6E7C
Lighter +10%#49555F
Darker −10%#1D2125
Darker −20%#070808
Darker −30%#000000
Darker −40%#000000
More saturated +25%#243C51
Less saturated −25%#3B3B3B

Channel breakdown

R51
G59
B66
Red51 (20%)
Green59 (23.1%)
Blue66 (25.9%)
Hue208°
Saturation (HSL)12.82%
Lightness22.94%
Dominant channelBlue
Hex per channelR 33 · G 3B · B 42

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “333b42” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.