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Recognised as Colour

#409DBF

  • #409DBF
  • Cyan
  • Dark
  • Nearest: Steel blue

#409DBF is a cyan with RGB values 64, 157, 191 and HSL 196°, 50%, 50%. It is a dark colour, so black text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Steel blue.

Colour values

#409DBF#409DBF
HEX#409DBF
RGBrgb(64, 157, 191)
RGB (0–1)0.251, 0.6157, 0.749
RGB percentages25.1%, 61.6%, 74.9%
HSLhsl(196.1, 49.8%, 50%)
HSV / HSBhsv(196.1, 66.5%, 74.9%)
CMYK66.5%, 17.8%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,234,687
CSS custom property--colour: #409DBF;

Brightness & contrast

Relative luminance0.28966WCAG 2.x, 0 is black and 1 is white
Perceived brightness140.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 6.79:1
Contrast with white3.09:1WCAG normal text: Fail
Contrast with black6.79:1WCAG normal text: AA
Greyscale equivalent#8C8C8C
Inverted#BF6240

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8A9AC1no red cones; affects about 1% of men; ΔE 20.5 from the original
Deuteranopia#798DBFno green cones; the most common form, about 1% of men; ΔE 22.2 from the original
Tritanopia#00A7A8no blue cones; rare, and affects men and women equally; ΔE 23.4 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text3.09:1WCAG large text: AA
Contrast with black, large text6.79:1WCAG large text: AAA

Named colours

Steel blue · ΔE 16.4Cadetblue · ΔE 18.4Sky blue · ΔE 19.1Light skyblue · ΔE 20.1Deep skyblue · ΔE 20.7Light slate grey · ΔE 21
Nearest named CSS colourSteel blue (#4682B4)ΔE 16.45, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BF6240
Analogous#40BFA2, #405EBF
Triadic#BF409D, #9DBF40
Split complementary#BF405E, #BFA140
Tetradic#A140BF, #BF6240, #5EBF40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D9EBF2
Lighter +30%#B3D8E5
Lighter +20%#8CC4D9
Lighter +10%#66B1CC
Darker −10%#337E99
Darker −20%#265E73
Darker −30%#1A3F4C
Darker −40%#0D1F26
More saturated +25%#20ACDF
Less saturated −25%#608E9F

Channel breakdown

R64
G157
B191
Red64 (25.1%)
Green157 (61.6%)
Blue191 (74.9%)
Hue196.06°
Saturation (HSL)49.8%
Lightness50%
Dominant channelBlue
Hex per channelR 40 · G 9D · B BF

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Every value on this page was computed from “409dbf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.