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Recognised as Colour

#105DA7

  • #105DA7
  • Blue
  • Dark
  • Nearest: Dark slateblue

#105DA7 is a blue with RGB values 16, 93, 167 and HSL 209°, 83%, 36%. It is a dark colour, so white text on it reaches 6.7:1 contrast (AA for normal text). The nearest named colour is Dark slateblue.

Colour values

#105DA7#105DA7
HEX#105DA7
RGBrgb(16, 93, 167)
RGB (0–1)0.0627, 0.3647, 0.6549
RGB percentages6.3%, 36.5%, 65.5%
HSLhsl(209.4, 82.5%, 35.9%)
HSV / HSBhsv(209.4, 90.4%, 65.5%)
CMYK90.4%, 44.3%, 0%, 34.5%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,072,551
CSS custom property--colour: #105DA7;

Brightness & contrast

Relative luminance0.10729WCAG 2.x, 0 is black and 1 is white
Perceived brightness91.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.68:1
Contrast with white6.68:1WCAG normal text: AA
Contrast with black3.15:1WCAG normal text: Fail
Greyscale equivalent#525252
Inverted#EFA258

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#3663AAno red cones; affects about 1% of men; ΔE 4.7 from the original
Deuteranopia#1656A6no green cones; the most common form, about 1% of men; ΔE 5.7 from the original
Tritanopia#006F7Ano blue cones; rare, and affects men and women equally; ΔE 43.5 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.68:1WCAG large text: AAA
Contrast with black, large text3.15:1WCAG large text: AA

Named colours

Dark slateblue · ΔE 21.3Steel blue · ΔE 22Cornflower blue · ΔE 23.2Dodgerblue · ΔE 27Royal blue · ΔE 28.8Slate blue · ΔE 32.2
Nearest named CSS colourDark slateblue (#483D8B)ΔE 21.27, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#A75A10
Analogous#10A7A6, #1011A7
Triadic#A7105D, #5DA710
Split complementary#A71011, #A7A610
Tetradic#A610A7, #A75A10, #11A710

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#8FC3F4
Lighter +30%#60A9F0
Lighter +20%#3290EB
Lighter +10%#1477D6
Darker −10%#0C4378
Darker −20%#07294A
Darker −30%#030F1B
Darker −40%#000000
More saturated +25%#005DB7
Less saturated −25%#275D90

Channel breakdown

R16
G93
B167
Red16 (6.3%)
Green93 (36.5%)
Blue167 (65.5%)
Hue209.4°
Saturation (HSL)82.51%
Lightness35.88%
Dominant channelBlue
Hex per channelR 10 · G 5D · B A7

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Every value on this page was computed from “105da7” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.