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Recognised as Colour

#103CEB

  • #103CEB
  • Blue
  • Dark
  • Nearest: Medium blue

#103CEB is a blue with RGB values 16, 60, 235 and HSL 228°, 87%, 49%. It is a dark colour, so white text on it reaches 7.3:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#103CEB#103CEB
HEX#103CEB
RGBrgb(16, 60, 235)
RGB (0–1)0.0627, 0.2353, 0.9216
RGB percentages6.3%, 23.5%, 92.2%
HSLhsl(227.9, 87.3%, 49.2%)
HSV / HSBhsv(227.9, 93.2%, 92.2%)
CMYK93.2%, 74.5%, 0%, 7.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,064,171
CSS custom property--colour: #103CEB;

Brightness & contrast

Relative luminance0.0934WCAG 2.x, 0 is black and 1 is white
Perceived brightness92.1 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.32:1
Contrast with white7.32:1WCAG normal text: AAA
Contrast with black2.87:1WCAG normal text: Fail
Greyscale equivalent#3F3F3F
Inverted#EFC314

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0061F0no red cones; affects about 1% of men; ΔE 25.7 from the original
Deuteranopia#004BE8no green cones; the most common form, about 1% of men; ΔE 12.3 from the original
Tritanopia#007191no blue cones; rare, and affects men and women equally; ΔE 94.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.32:1WCAG large text: AAA
Contrast with black, large text2.87:1WCAG large text: Fail

Named colours

Medium blue · ΔE 17.8Blue violet · ΔE 22.3Dark violet · ΔE 29.6Dark blue · ΔE 30.3Medium slateblue · ΔE 31.3Blue · ΔE 31.7
Nearest named CSS colourMedium blue (#0000CD)ΔE 17.82, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#EBBF10
Analogous#10A9EB, #5110EB
Triadic#EB103C, #3CEB10
Split complementary#EB5210, #AAEB10
Tetradic#EB10AA, #EBBF10, #10EB52

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CCD5FB
Lighter +30%#9CAEF8
Lighter +20%#6C88F5
Lighter +10%#3C61F2
Darker −10%#0D30BB
Darker −20%#09248C
Darker −30%#06175C
Darker −40%#030B2C
More saturated +25%#0032FB
Less saturated −25%#2F4FCC

Channel breakdown

R16
G60
B235
Red16 (6.3%)
Green60 (23.5%)
Blue235 (92.2%)
Hue227.95°
Saturation (HSL)87.25%
Lightness49.22%
Dominant channelBlue
Hex per channelR 10 · G 3C · B EB

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Every value on this page was computed from “103ceb” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.