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Recognised as Colour

#51496A

  • #51496A
  • Blue
  • Dark
  • Nearest: Dim grey

#51496A is a blue with RGB values 81, 73, 106 and HSL 255°, 18%, 35%. It is a dark colour, so white text on it reaches 8.4:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#51496A#51496A
HEX#51496A
RGBrgb(81, 73, 106)
RGB (0–1)0.3176, 0.2863, 0.4157
RGB percentages31.8%, 28.6%, 41.6%
HSLhsl(254.5, 18.4%, 35.1%)
HSV / HSBhsv(254.5, 31.1%, 41.6%)
CMYK23.6%, 31.1%, 0%, 58.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,327,210
CSS custom property--colour: #51496A;

Brightness & contrast

Relative luminance0.07555WCAG 2.x, 0 is black and 1 is white
Perceived brightness79.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.36:1
Contrast with white8.36:1WCAG normal text: AAA
Contrast with black2.51:1WCAG normal text: Fail
Greyscale equivalent#4D4D4D
Inverted#AEB695

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#414E6Bno red cones; affects about 1% of men; ΔE 8.3 from the original
Deuteranopia#424D69no green cones; the most common form, about 1% of men; ΔE 7.9 from the original
Tritanopia#4C4E55no blue cones; rare, and affects men and women equally; ΔE 17 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text8.36:1WCAG large text: AAA
Contrast with black, large text2.51:1WCAG large text: Fail

Named colours

Dim grey · ΔE 24Slate grey · ΔE 25Dark slate grey · ΔE 27Light slate grey · ΔE 27.4Dark slateblue · ΔE 28.5Steel blue · ΔE 28.5
Nearest named CSS colourDim grey (#696969)ΔE 23.98, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#626A49
Analogous#49526A, #61496A
Triadic#6A5149, #496A51
Split complementary#6A6149, #526A49
Tetradic#6A4952, #626A49, #496A61

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B9B4CB
Lighter +30%#9E96B6
Lighter +20%#8277A2
Lighter +10%#685E88
Darker −10%#3A344C
Darker −20%#231F2E
Darker −30%#0C0B0F
Darker −40%#000000
More saturated +25%#453380
Less saturated −25%#5A5A5A

Channel breakdown

R81
G73
B106
Red81 (31.8%)
Green73 (28.6%)
Blue106 (41.6%)
Hue254.55°
Saturation (HSL)18.44%
Lightness35.1%
Dominant channelBlue
Hex per channelR 51 · G 49 · B 6A

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Every value on this page was computed from “51496a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.