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Recognised as Colour

#013356

  • #013356
  • Blue
  • Dark
  • Nearest: Dark slate grey

#013356 is a blue with RGB values 1, 51, 86 and HSL 205°, 98%, 17%. It is a dark colour, so white text on it reaches 13:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#013356#013356
HEX#013356
RGBrgb(1, 51, 86)
RGB (0–1)0.0039, 0.2, 0.3373
RGB percentages0.4%, 20%, 33.7%
HSLhsl(204.7, 97.7%, 17.1%)
HSV / HSBhsv(204.7, 98.8%, 33.7%)
CMYK98.8%, 40.7%, 0%, 66.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer78,678
CSS custom property--colour: #013356;

Brightness & contrast

Relative luminance0.03046WCAG 2.x, 0 is black and 1 is white
Perceived brightness48.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.05:1
Contrast with white13.05:1WCAG normal text: AAA
Contrast with black1.61:1WCAG normal text: Fail
Greyscale equivalent#2B2B2B
Inverted#FECCA9

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#223557no red cones; affects about 1% of men; ΔE 5.4 from the original
Deuteranopia#152D55no green cones; the most common form, about 1% of men; ΔE 6.9 from the original
Tritanopia#003C40no blue cones; rare, and affects men and women equally; ΔE 23.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.05:1WCAG large text: AAA
Contrast with black, large text1.61:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 26.9Black · ΔE 32.5Dark slateblue · ΔE 33Steel blue · ΔE 33.2Dim grey · ΔE 35.1Slate grey · ΔE 35.9
Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 26.87, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#562401
Analogous#01564F, #010856
Triadic#560133, #335601
Split complementary#560108, #564E01
Tetradic#4F0156, #562401, #095601

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#27A4FC
Lighter +30%#038DED
Lighter +20%#026FBB
Lighter +10%#025188
Darker −10%#001524
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#003357
Less saturated −25%#0C314B

Channel breakdown

R1
G51
B86
Red1 (0.4%)
Green51 (20%)
Blue86 (33.7%)
Hue204.71°
Saturation (HSL)97.7%
Lightness17.06%
Dominant channelBlue
Hex per channelR 01 · G 33 · B 56

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Every value on this page was computed from “hex 013356” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.