Nerdulator> put something in

Colour

#212B35

  • #212B35
  • Blue
  • Dark
  • Nearest: Dark slate grey

#212B35 is a blue with RGB values 33, 43, 53 and HSL 210°, 23%, 17%. It is a dark colour, so white text on it reaches 14.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#212B35#212B35
HEX#212B35
RGBrgb(33, 43, 53)
RGB (0–1)0.1294, 0.1686, 0.2078
RGB percentages12.9%, 16.9%, 20.8%
HSLhsl(210, 23.3%, 16.9%)
HSV / HSBhsv(210, 37.7%, 20.8%)
CMYK37.7%, 18.9%, 0%, 79.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,173,749
CSS custom property--colour: #212B35;

Brightness & contrast

Relative luminance0.02308WCAG 2.x, 0 is black and 1 is white
Perceived brightness41.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.37:1
Contrast with white14.37:1WCAG normal text: AAA
Contrast with black1.46:1WCAG normal text: Fail
Greyscale equivalent#2A2A2A
Inverted#DED4CA

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#272B35no red cones; affects about 1% of men; ΔE 2.5 from the original
Deuteranopia#252935no green cones; the most common form, about 1% of men; ΔE 3 from the original
Tritanopia#1B2D2Eno blue cones; rare, and affects men and women equally; ΔE 7.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.37:1WCAG large text: AAA
Contrast with black, large text1.46:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 18.1Black · ΔE 18.8Dim grey · ΔE 28.5Slate grey · ΔE 35.9Gray · ΔE 37.4Light slate grey · ΔE 39
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 18.1, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#352B21
Analogous#213535, #212135
Triadic#35212B, #2B3521
Split complementary#352121, #353521
Tetradic#352135, #352B21, #213521

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7791AB
Lighter +30%#5C7793
Lighter +20%#485E74
Lighter +10%#354554
Darker −10%#0D1216
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#162B40
Less saturated −25%#2B2B2B

Channel breakdown

R33
G43
B53
Red33 (12.9%)
Green43 (16.9%)
Blue53 (20.8%)
Hue210°
Saturation (HSL)23.26%
Lightness16.86%
Dominant channelBlue
Hex per channelR 21 · G 2B · B 35

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 “212b35” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.