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Recognised as Colour

#5D81BA

  • #5D81BA
  • Blue
  • Dark
  • Nearest: Steel blue

#5D81BA is a blue with RGB values 93, 129, 186 and HSL 217°, 40%, 55%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#5D81BA#5D81BA
HEX#5D81BA
RGBrgb(93, 129, 186)
RGB (0–1)0.3647, 0.5059, 0.7294
RGB percentages36.5%, 50.6%, 72.9%
HSLhsl(216.8, 40.3%, 54.7%)
HSV / HSBhsv(216.8, 50%, 72.9%)
CMYK50%, 30.6%, 0%, 27.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,128,058
CSS custom property--colour: #5D81BA;

Brightness & contrast

Relative luminance0.21573WCAG 2.x, 0 is black and 1 is white
Perceived brightness127.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.31:1
Contrast with white3.95:1WCAG normal text: Fail
Contrast with black5.31:1WCAG normal text: AA
Greyscale equivalent#7D7D7D
Inverted#A27E45

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6B85BCno red cones; affects about 1% of men; ΔE 3.4 from the original
Deuteranopia#607CB9no green cones; the most common form, about 1% of men; ΔE 3.9 from the original
Tritanopia#338D95no blue cones; rare, and affects men and women equally; ΔE 34.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.95:1WCAG large text: AA
Contrast with black, large text5.31:1WCAG large text: AAA

Named colours

Steel blue · ΔE 7.8Cornflower blue · ΔE 18.5Light slate grey · ΔE 23.5Slate grey · ΔE 23.9Deep skyblue · ΔE 29.7Light skyblue · ΔE 30.3
Nearest named CSS colourSteel blue (#4682B4)ΔE 7.81, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BA965D
Analogous#5DB0BA, #675DBA
Triadic#BA5D81, #81BA5D
Split complementary#BA675D, #B0BA5D
Tetradic#BA5DB0, #BA965D, #5DBA67

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#ECF0F7
Lighter +30%#C8D4E8
Lighter +20%#A5B9D8
Lighter +10%#819DC9
Darker −10%#4468A0
Darker −20%#35507C
Darker −30%#263958
Darker −40%#162235
More saturated +25%#407AD7
Less saturated −25%#7A889D

Channel breakdown

R93
G129
B186
Red93 (36.5%)
Green129 (50.6%)
Blue186 (72.9%)
Hue216.77°
Saturation (HSL)40.26%
Lightness54.71%
Dominant channelBlue
Hex per channelR 5D · G 81 · B BA

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Every value on this page was computed from “5d81ba” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.