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Recognised as Colour

#307DCE

  • #307DCE
  • Blue
  • Dark
  • Nearest: Cornflower blue

#307DCE is a blue with RGB values 48, 125, 206 and HSL 211°, 62%, 50%. It is a dark colour, so black text on it reaches 5:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#307DCE#307DCE
HEX#307DCE
RGBrgb(48, 125, 206)
RGB (0–1)0.1882, 0.4902, 0.8078
RGB percentages18.8%, 49%, 80.8%
HSLhsl(210.8, 62.2%, 49.8%)
HSV / HSBhsv(210.8, 76.7%, 80.8%)
CMYK76.7%, 39.3%, 0%, 19.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,177,934
CSS custom property--colour: #307DCE;

Brightness & contrast

Relative luminance0.19752WCAG 2.x, 0 is black and 1 is white
Perceived brightness121.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.95:1
Contrast with white4.24:1WCAG normal text: Fail
Contrast with black4.95:1WCAG normal text: AA
Greyscale equivalent#727272
Inverted#CF8231

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#5683D1no red cones; affects about 1% of men; ΔE 6 from the original
Deuteranopia#3D74CCno green cones; the most common form, about 1% of men; ΔE 7.3 from the original
Tritanopia#00909Bno blue cones; rare, and affects men and women equally; ΔE 46.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.24:1WCAG large text: AA
Contrast with black, large text4.95:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 11.4Dodgerblue · ΔE 17.6Steel blue · ΔE 18.6Royal blue · ΔE 27.6Dark slateblue · ΔE 30.5Deep skyblue · ΔE 31.2
Nearest named CSS colourCornflower blue (#6495ED)ΔE 11.4, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CE8130
Analogous#30CCCE, #3230CE
Triadic#CE307D, #7DCE30
Split complementary#CE3230, #CCCE30
Tetradic#CE30CC, #CE8130, #30CE32

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D5E5F5
Lighter +30%#ABCBEC
Lighter +20%#82B1E2
Lighter +10%#5997D8
Darker −10%#2664A5
Darker −20%#1D4B7B
Darker −30%#133252
Darker −40%#091929
More saturated +25%#107CEE
Less saturated −25%#507EAE

Channel breakdown

R48
G125
B206
Red48 (18.8%)
Green125 (49%)
Blue206 (80.8%)
Hue210.76°
Saturation (HSL)62.2%
Lightness49.8%
Dominant channelBlue
Hex per channelR 30 · G 7D · B CE

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Every value on this page was computed from “307dce” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.