Nerdulator> put something in

Recognised as Colour

#3F9DBF

  • #3F9DBF
  • Cyan
  • Dark
  • Nearest: Steel blue

#3F9DBF is a cyan with RGB values 63, 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

#3F9DBF#3F9DBF
HEX#3F9DBF
RGBrgb(63, 157, 191)
RGB (0–1)0.2471, 0.6157, 0.749
RGB percentages24.7%, 61.6%, 74.9%
HSLhsl(195.9, 50.4%, 49.8%)
HSV / HSBhsv(195.9, 67%, 74.9%)
CMYK67%, 17.8%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,169,151
CSS custom property--colour: #3F9DBF;

Brightness & contrast

Relative luminance0.28932WCAG 2.x, 0 is black and 1 is white
Perceived brightness140.8 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#8B8B8B
Inverted#C06240

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#8A9AC1no red cones; affects about 1% of men; ΔE 20.7 from the original
Deuteranopia#798DBFno green cones; the most common form, about 1% of men; ΔE 22.3 from the original
Tritanopia#00A7A8no blue cones; rare, and affects men and women equally; ΔE 23.3 from the original
Distinguishable without hueShifts in lightness toonever 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 16.5Cadetblue · ΔE 18.5Sky blue · ΔE 19.1Light skyblue · ΔE 20.1Deep skyblue · ΔE 20.6Light slate grey · ΔE 21.2
Nearest named CSS colourSteel blue (#4682B4)ΔE 16.54, a distinctly different colour
Hue familycyan
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BF613F
Analogous#3FBFA1, #3F5DBF
Triadic#BF3F9D, #9DBF3F
Split complementary#BF3F5D, #BFA13F
Tetradic#A13FBF, #BF613F, #5DBF3F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D8EBF2
Lighter +30%#B2D8E5
Lighter +20%#8BC4D9
Lighter +10%#65B1CC
Darker −10%#327D99
Darker −20%#265E72
Darker −30%#193E4C
Darker −40%#0C1F26
More saturated +25%#1FACDF
Less saturated −25%#5F8E9F

Channel breakdown

R63
G157
B191
Red63 (24.7%)
Green157 (61.6%)
Blue191 (74.9%)
Hue195.94°
Saturation (HSL)50.39%
Lightness49.8%
Dominant channelBlue
Hex per channelR 3F · G 9D · B BF

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “3f9dbf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.