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Colour

#315EB3

  • #315EB3
  • Blue
  • Dark
  • Nearest: Dark slateblue

#315EB3 is a blue with RGB values 49, 94, 179 and HSL 219°, 57%, 45%. It is a dark colour, so white text on it reaches 6.2:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#315EB3#315EB3
HEX#315EB3
RGBrgb(49, 94, 179)
RGB (0–1)0.1922, 0.3686, 0.702
RGB percentages19.2%, 36.9%, 70.2%
HSLhsl(219.2, 57%, 44.7%)
HSV / HSBhsv(219.2, 72.6%, 70.2%)
CMYK72.6%, 47.5%, 0%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,235,507
CSS custom property--colour: #315EB3;

Brightness & contrast

Relative luminance0.11913WCAG 2.x, 0 is black and 1 is white
Perceived brightness97.8 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.21:1
Contrast with white6.21:1WCAG normal text: AA
Contrast with black3.38:1WCAG normal text: Fail
Greyscale equivalent#5B5B5B
Inverted#CEA14C

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3167B6no red cones; affects about 1% of men; ΔE 6 from the original
Deuteranopia#0F5BB1no green cones; the most common form, about 1% of men; ΔE 3.4 from the original
Tritanopia#007280no blue cones; rare, and affects men and women equally; ΔE 49.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text6.21:1WCAG large text: AAA
Contrast with black, large text3.38:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 17.4Royal blue · ΔE 20.8Cornflower blue · ΔE 21.4Dodgerblue · ΔE 23.2Slate blue · ΔE 23.6Medium purple · ΔE 26.5
Nearest named CSS colourDark slateblue (#483D8B)ΔE 17.4, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#B38631
Analogous#319FB3, #4531B3
Triadic#B3315E, #5EB331
Split complementary#B34531, #9FB331
Tetradic#B3319F, #B38631, #31B345

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C2D1EE
Lighter +30%#9AB3E3
Lighter +20%#7295D8
Lighter +10%#4A77CD
Darker −10%#26498B
Darker −20%#1B3463
Darker −30%#101F3B
Darker −40%#050A13
More saturated +25%#1455D0
Less saturated −25%#4E6796

Channel breakdown

R49
G94
B179
Red49 (19.2%)
Green94 (36.9%)
Blue179 (70.2%)
Hue219.23°
Saturation (HSL)57.02%
Lightness44.71%
Dominant channelBlue
Hex per channelR 31 · G 5E · B B3

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Every value on this page was computed from “315eb3” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.