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Recognised as Colour

#3976D0

  • #3976D0
  • Blue
  • Dark
  • Nearest: Cornflower blue

#3976D0 is a blue with RGB values 57, 118, 208 and HSL 216°, 62%, 52%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#3976D0#3976D0
HEX#3976D0
RGBrgb(57, 118, 208)
RGB (0–1)0.2235, 0.4627, 0.8157
RGB percentages22.4%, 46.3%, 81.6%
HSLhsl(215.8, 61.6%, 52%)
HSV / HSBhsv(215.8, 72.6%, 81.6%)
CMYK72.6%, 43.3%, 0%, 18.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,765,968
CSS custom property--colour: #3976D0;

Brightness & contrast

Relative luminance0.18381WCAG 2.x, 0 is black and 1 is white
Perceived brightness118.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.68:1
Contrast with white4.49:1WCAG normal text: Fail
Contrast with black4.68:1WCAG normal text: AA
Greyscale equivalent#707070
Inverted#C6892F

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4A7ED3no red cones; affects about 1% of men; ΔE 4.7 from the original
Deuteranopia#2E70CEno green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#008B99no blue cones; rare, and affects men and women equally; ΔE 51.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.49:1WCAG large text: AA
Contrast with black, large text4.68:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 12.4Dodgerblue · ΔE 14.6Royal blue · ΔE 20.3Steel blue · ΔE 25.1Slate blue · ΔE 26.2Dark slateblue · ΔE 26.4
Nearest named CSS colourCornflower blue (#6495ED)ΔE 12.42, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#D09339
Analogous#39C2D0, #4839D0
Triadic#D03976, #76D039
Split complementary#D04839, #C2D039
Tetradic#D039C2, #D09339, #39D048

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DEE8F7
Lighter +30%#B5CCED
Lighter +20%#8BAFE4
Lighter +10%#6293DA
Darker −10%#295EAD
Darker −20%#1F4884
Darker −30%#15315B
Darker −40%#0C1B31
More saturated +25%#1A70EF
Less saturated −25%#587CB1

Channel breakdown

R57
G118
B208
Red57 (22.4%)
Green118 (46.3%)
Blue208 (81.6%)
Hue215.76°
Saturation (HSL)61.63%
Lightness51.96%
Dominant channelBlue
Hex per channelR 39 · G 76 · B D0

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Every value on this page was computed from “3976d0” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.