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Colour

#4182BF

  • #4182BF
  • Blue
  • Dark
  • Nearest: Steel blue

#4182BF is a blue with RGB values 65, 130, 191 and HSL 209°, 50%, 50%. It is a dark colour, so black text on it reaches 5.2:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#4182BF#4182BF
HEX#4182BF
RGBrgb(65, 130, 191)
RGB (0–1)0.2549, 0.5098, 0.749
RGB percentages25.5%, 51%, 74.9%
HSLhsl(209, 49.6%, 50.2%)
HSV / HSBhsv(209, 66%, 74.9%)
CMYK66%, 31.9%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,293,311
CSS custom property--colour: #4182BF;

Brightness & contrast

Relative luminance0.20851WCAG 2.x, 0 is black and 1 is white
Perceived brightness123.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.17:1
Contrast with white4.06:1WCAG normal text: Fail
Contrast with black5.17:1WCAG normal text: AA
Greyscale equivalent#797979
Inverted#BE7D40

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#6785C2no red cones; affects about 1% of men; ΔE 8.3 from the original
Deuteranopia#5679BEno green cones; the most common form, about 1% of men; ΔE 9.6 from the original
Tritanopia#009098no blue cones; rare, and affects men and women equally; ΔE 36.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text4.06:1WCAG large text: AA
Contrast with black, large text5.17:1WCAG large text: AAA

Named colours

Steel blue · ΔE 6.5Cornflower blue · ΔE 18Deep skyblue · ΔE 26.1Light slate grey · ΔE 27.1Slate grey · ΔE 27.5Dodgerblue · ΔE 28.5
Nearest named CSS colourSteel blue (#4682B4)ΔE 6.47, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BF7E41
Analogous#41BFBD, #4143BF
Triadic#BF4182, #82BF41
Split complementary#BF4143, #BFBD41
Tetradic#BD41BF, #BF7E41, #43BF41

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DAE6F2
Lighter +30%#B3CDE6
Lighter +20%#8DB4D9
Lighter +10%#679BCC
Darker −10%#346899
Darker −20%#274E73
Darker −30%#1A344D
Darker −40%#0D1A27
More saturated +25%#2183DF
Less saturated −25%#61819F

Channel breakdown

R65
G130
B191
Red65 (25.5%)
Green130 (51%)
Blue191 (74.9%)
Hue209.05°
Saturation (HSL)49.61%
Lightness50.2%
Dominant channelBlue
Hex per channelR 41 · G 82 · B BF

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Every value on this page was computed from “4182bf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.