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Recognised as Colour

#3A75CD

  • #3A75CD
  • Blue
  • Dark
  • Nearest: Cornflower blue

#3A75CD is a blue with RGB values 58, 117, 205 and HSL 216°, 60%, 52%. It is a dark colour, so black text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#3A75CD#3A75CD
HEX#3A75CD
RGBrgb(58, 117, 205)
RGB (0–1)0.2275, 0.4588, 0.8039
RGB percentages22.7%, 45.9%, 80.4%
HSLhsl(215.9, 59.5%, 51.6%)
HSV / HSBhsv(215.9, 71.7%, 80.4%)
CMYK71.7%, 42.9%, 0%, 19.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,831,245
CSS custom property--colour: #3A75CD;

Brightness & contrast

Relative luminance0.1803WCAG 2.x, 0 is black and 1 is white
Perceived brightness117.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 4.61:1
Contrast with white4.56:1WCAG normal text: AA
Contrast with black4.61:1WCAG normal text: AA
Greyscale equivalent#6F6F6F
Inverted#C58A32

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4A7DD0no red cones; affects about 1% of men; ΔE 4.6 from the original
Deuteranopia#306FCBno green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#008A97no blue cones; rare, and affects men and women equally; ΔE 51 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.56:1WCAG large text: AAA
Contrast with black, large text4.61:1WCAG large text: AAA

Named colours

Cornflower blue · ΔE 12.6Dodgerblue · ΔE 15.7Royal blue · ΔE 21.2Steel blue · ΔE 24.1Dark slateblue · ΔE 26Slate blue · ΔE 26.7
Nearest named CSS colourCornflower blue (#6495ED)ΔE 12.59, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#CD923A
Analogous#3ABFCD, #493ACD
Triadic#CD3A75, #75CD3A
Split complementary#CD493A, #BFCD3A
Tetradic#CD3ABE, #CD923A, #3ACD49

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#DDE7F6
Lighter +30%#B4CAEC
Lighter +20%#8BAEE2
Lighter +10%#6391D7
Darker −10%#2B5EA9
Darker −20%#214780
Darker −30%#163158
Darker −40%#0C1A2F
More saturated +25%#1B6FEC
Less saturated −25%#597BAE

Channel breakdown

R58
G117
B205
Red58 (22.7%)
Green117 (45.9%)
Blue205 (80.4%)
Hue215.92°
Saturation (HSL)59.51%
Lightness51.57%
Dominant channelBlue
Hex per channelR 3A · G 75 · B CD

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Every value on this page was computed from “3a75cd” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.