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Colour

#5191BE

  • #5191BE
  • Blue
  • Dark
  • Nearest: Steel blue

#5191BE is a blue with RGB values 81, 145, 190 and HSL 205°, 46%, 53%. It is a dark colour, so black text on it reaches 6.1:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#5191BE#5191BE
HEX#5191BE
RGBrgb(81, 145, 190)
RGB (0–1)0.3176, 0.5686, 0.7451
RGB percentages31.8%, 56.9%, 74.5%
HSLhsl(204.8, 45.6%, 53.1%)
HSV / HSBhsv(204.8, 57.4%, 74.5%)
CMYK57.4%, 23.7%, 0%, 25.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,345,726
CSS custom property--colour: #5191BE;

Brightness & contrast

Relative luminance0.25718WCAG 2.x, 0 is black and 1 is white
Perceived brightness135.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.14:1
Contrast with white3.42:1WCAG normal text: Fail
Contrast with black6.14:1WCAG normal text: AA
Greyscale equivalent#878787
Inverted#AE6E41

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#7D91C0no red cones; affects about 1% of men; ΔE 12.2 from the original
Deuteranopia#6E86BDno green cones; the most common form, about 1% of men; ΔE 13.2 from the original
Tritanopia#009CA0no blue cones; rare, and affects men and women equally; ΔE 30.5 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.42:1WCAG large text: AA
Contrast with black, large text6.14:1WCAG large text: AAA

Named colours

Steel blue · ΔE 6.7Light slate grey · ΔE 19.3Slate grey · ΔE 20.3Deep skyblue · ΔE 22.2Light skyblue · ΔE 22.3Sky blue · ΔE 24.2
Nearest named CSS colourSteel blue (#4682B4)ΔE 6.69, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BE7E51
Analogous#51BEB4, #515BBE
Triadic#BE5191, #91BE51
Split complementary#BE515B, #BEB451
Tetradic#B451BE, #BE7E51, #5BBE51

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E6EFF5
Lighter +30%#C0D7E8
Lighter +20%#9BC0DA
Lighter +10%#76A8CC
Darker −10%#3C77A0
Darker −20%#2E5B7B
Darker −30%#204056
Darker −40%#122431
More saturated +25%#3396DC
Less saturated −25%#6F8CA0

Channel breakdown

R81
G145
B190
Red81 (31.8%)
Green145 (56.9%)
Blue190 (74.5%)
Hue204.77°
Saturation (HSL)45.61%
Lightness53.14%
Dominant channelBlue
Hex per channelR 51 · G 91 · B BE

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Every value on this page was computed from “5191be” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.