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Recognised as Colour

#3374CF

  • #3374CF
  • Blue
  • Dark
  • Nearest: Cornflower blue

#3374CF is a blue with RGB values 51, 116, 207 and HSL 215°, 62%, 51%. It is a dark colour, so white text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#3374CF#3374CF
HEX#3374CF
RGBrgb(51, 116, 207)
RGB (0–1)0.2, 0.4549, 0.8118
RGB percentages20%, 45.5%, 81.2%
HSLhsl(215, 61.9%, 50.6%)
HSV / HSBhsv(215, 75.4%, 81.2%)
CMYK75.4%, 44%, 0%, 18.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,372,239
CSS custom property--colour: #3374CF;

Brightness & contrast

Relative luminance0.177WCAG 2.x, 0 is black and 1 is white
Perceived brightness116.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.63:1
Contrast with white4.63:1WCAG normal text: AA
Contrast with black4.54:1WCAG normal text: AA
Greyscale equivalent#6D6D6D
Inverted#CC8B30

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#467CD2no red cones; affects about 1% of men; ΔE 4.7 from the original
Deuteranopia#276ECDno green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#008997no blue cones; rare, and affects men and women equally; ΔE 51.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.63:1WCAG large text: AAA
Contrast with black, large text4.54:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 13.4Dodgerblue · ΔE 14.6Royal blue · ΔE 19.7Slate blue · ΔE 25.8Steel blue · ΔE 25.9Dark slateblue · ΔE 26.1
Nearest named CSS colourCornflower blue (#6495ED)ΔE 13.42, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CF8E33
Analogous#33C2CF, #4033CF
Triadic#CF3374, #74CF33
Split complementary#CF4033, #C2CF33
Tetradic#CF33C2, #CF8E33, #33CF40

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D8E5F6
Lighter +30%#AFC8EC
Lighter +20%#86ACE2
Lighter +10%#5C90D9
Darker −10%#275DA8
Darker −20%#1E467E
Darker −30%#142F55
Darker −40%#0A182C
More saturated +25%#146FEF
Less saturated −25%#5279B0

Channel breakdown

R51
G116
B207
Red51 (20%)
Green116 (45.5%)
Blue207 (81.2%)
Hue215°
Saturation (HSL)61.9%
Lightness50.59%
Dominant channelBlue
Hex per channelR 33 · G 74 · B CF

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Every value on this page was computed from “3374cf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.