Nerdulator> put something in

Recognised as Colour

#0B3358

  • #0B3358
  • Blue
  • Dark
  • Nearest: Dark slate grey

#0B3358 is a blue with RGB values 11, 51, 88 and HSL 209°, 78%, 19%. It is a dark colour, so white text on it reaches 12.9:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#0B3358#0B3358
HEX#0B3358
RGBrgb(11, 51, 88)
RGB (0–1)0.0431, 0.2, 0.3451
RGB percentages4.3%, 20%, 34.5%
HSLhsl(208.8, 77.8%, 19.4%)
HSV / HSBhsv(208.8, 87.5%, 34.5%)
CMYK87.5%, 42%, 0%, 65.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer734,040
CSS custom property--colour: #0B3358;

Brightness & contrast

Relative luminance0.03143WCAG 2.x, 0 is black and 1 is white
Perceived brightness49.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.89:1
Contrast with white12.89:1WCAG normal text: AAA
Contrast with black1.63:1WCAG normal text: Fail
Greyscale equivalent#2D2D2D
Inverted#F4CCA7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#213559no red cones; affects about 1% of men; ΔE 3.9 from the original
Deuteranopia#152E57no green cones; the most common form, about 1% of men; ΔE 5 from the original
Tritanopia#003C41no blue cones; rare, and affects men and women equally; ΔE 24.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text12.89:1WCAG large text: AAA
Contrast with black, large text1.63:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 28.2Dark slateblue · ΔE 30.9Steel blue · ΔE 32.9Black · ΔE 33.3Dim grey · ΔE 35.4Slate grey · ΔE 36
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 28.19, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#58300B
Analogous#0B5857, #0B0C58
Triadic#580B33, #33580B
Split complementary#580B0D, #58570B
Tetradic#570B58, #58300B, #0C580B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#479BE8
Lighter +30%#1C82E0
Lighter +20%#1668B3
Lighter +10%#114D85
Darker −10%#05192B
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003363
Less saturated −25%#17334C

Channel breakdown

R11
G51
B88
Red11 (4.3%)
Green51 (20%)
Blue88 (34.5%)
Hue208.83°
Saturation (HSL)77.78%
Lightness19.41%
Dominant channelBlue
Hex per channelR 0B · G 33 · B 58

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 “0b3358” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.