Nerdulator> put something in

Recognised as Colour

#2F80CF

  • #2F80CF
  • Blue
  • Dark
  • Nearest: Cornflower blue

#2F80CF is a blue with RGB values 47, 128, 207 and HSL 210°, 63%, 50%. It is a dark colour, so black text on it reaches 5.1:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#2F80CF#2F80CF
HEX#2F80CF
RGBrgb(47, 128, 207)
RGB (0–1)0.1843, 0.502, 0.8118
RGB percentages18.4%, 50.2%, 81.2%
HSLhsl(209.6, 63%, 49.8%)
HSV / HSBhsv(209.6, 77.3%, 81.2%)
CMYK77.3%, 38.2%, 0%, 18.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,113,167
CSS custom property--colour: #2F80CF;

Brightness & contrast

Relative luminance0.20548WCAG 2.x, 0 is black and 1 is white
Perceived brightness123.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.11:1
Contrast with white4.11:1WCAG normal text: Fail
Contrast with black5.11:1WCAG normal text: AA
Greyscale equivalent#747474
Inverted#D07F30

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5B85D2no red cones; affects about 1% of men; ΔE 7.1 from the original
Deuteranopia#4276CDno green cones; the most common form, about 1% of men; ΔE 8.7 from the original
Tritanopia#00939Dno blue cones; rare, and affects men and women equally; ΔE 45.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.11:1WCAG large text: AA
Contrast with black, large text5.11:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 11.5Steel blue · ΔE 17.1Dodgerblue · ΔE 18.5Deep skyblue · ΔE 29.3Royal blue · ΔE 29.4Dark slateblue · ΔE 32
Nearest named CSS colourCornflower blue (#6495ED)ΔE 11.46, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CF7E2F
Analogous#2FCFCE, #2F30CF
Triadic#CF2F80, #80CF2F
Split complementary#CF2F30, #CFCE2F
Tetradic#CE2FCF, #CF7E2F, #30CF2F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D5E5F5
Lighter +30%#ABCCEC
Lighter +20%#81B3E3
Lighter +10%#5899D9
Darker −10%#2666A5
Darker −20%#1C4D7C
Darker −30%#133352
Darker −40%#091929
More saturated +25%#0F80EF
Less saturated −25%#4F80AF

Channel breakdown

R47
G128
B207
Red47 (18.4%)
Green128 (50.2%)
Blue207 (81.2%)
Hue209.63°
Saturation (HSL)62.99%
Lightness49.8%
Dominant channelBlue
Hex per channelR 2F · G 80 · B CF

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 “2f80cf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.