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Colour

#3A80E7

  • #3A80E7
  • Blue
  • Dark
  • Nearest: Dodgerblue

#3A80E7 is a blue with RGB values 58, 128, 231 and HSL 216°, 78%, 57%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Dodgerblue.

Colour values

#3A80E7#3A80E7
HEX#3A80E7
RGBrgb(58, 128, 231)
RGB (0–1)0.2275, 0.502, 0.9059
RGB percentages22.7%, 50.2%, 90.6%
HSLhsl(215.7, 78.3%, 56.7%)
HSV / HSBhsv(215.7, 74.9%, 90.6%)
CMYK74.9%, 44.6%, 0%, 9.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,834,087
CSS custom property--colour: #3A80E7;

Brightness & contrast

Relative luminance0.22107WCAG 2.x, 0 is black and 1 is white
Perceived brightness129.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.42:1
Contrast with white3.87:1WCAG normal text: Fail
Contrast with black5.42:1WCAG normal text: AA
Greyscale equivalent#797979
Inverted#C57F18

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#4B8AEBno red cones; affects about 1% of men; ΔE 5.6 from the original
Deuteranopia#267AE5no green cones; the most common form, about 1% of men; ΔE 3.6 from the original
Tritanopia#0098A8no blue cones; rare, and affects men and women equally; ΔE 57.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.87:1WCAG large text: AA
Contrast with black, large text5.42:1WCAG large text: AAA

Named colours

Dodgerblue · ΔE 7.9Cornflower blue · ΔE 12.6Royal blue · ΔE 16Slate blue · ΔE 24.5Medium purple · ΔE 25.1Medium slateblue · ΔE 28.8
Nearest named CSS colourDodgerblue (#1E90FF)ΔE 7.88, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#E7A13A
Analogous#3AD6E7, #4B3AE7
Triadic#E73A80, #80E73A
Split complementary#E74B3A, #D6E73A
Tetradic#E73AD6, #E7A13A, #3AE74B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#F0F5FD
Lighter +30%#C2D8F8
Lighter +20%#95BBF2
Lighter +10%#679DED
Darker −10%#1A65D4
Darker −20%#1450A7
Darker −30%#0F3A79
Darker −40%#09244C
More saturated +25%#227BFF
Less saturated −25%#5685CB

Channel breakdown

R58
G128
B231
Red58 (22.7%)
Green128 (50.2%)
Blue231 (90.6%)
Hue215.72°
Saturation (HSL)78.28%
Lightness56.67%
Dominant channelBlue
Hex per channelR 3A · G 80 · B E7

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Every value on this page was computed from “3a80e7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.