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Recognised as Colour

#10305C

  • #10305C
  • Blue
  • Dark
  • Nearest: Dark slateblue

#10305C is a blue with RGB values 16, 48, 92 and HSL 215°, 70%, 21%. It is a dark colour, so white text on it reaches 13.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#10305C#10305C
HEX#10305C
RGBrgb(16, 48, 92)
RGB (0–1)0.0627, 0.1882, 0.3608
RGB percentages6.3%, 18.8%, 36.1%
HSLhsl(214.7, 70.4%, 21.2%)
HSV / HSBhsv(214.7, 82.6%, 36.1%)
CMYK82.6%, 47.8%, 0%, 63.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,060,956
CSS custom property--colour: #10305C;

Brightness & contrast

Relative luminance0.02997WCAG 2.x, 0 is black and 1 is white
Perceived brightness48.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.13:1
Contrast with white13.13:1WCAG normal text: AAA
Contrast with black1.6:1WCAG normal text: Fail
Greyscale equivalent#2C2C2C
Inverted#EFCFA3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#19345Eno red cones; affects about 1% of men; ΔE 2.5 from the original
Deuteranopia#0A2D5Bno green cones; the most common form, about 1% of men; ΔE 2.1 from the original
Tritanopia#003A41no blue cones; rare, and affects men and women equally; ΔE 28.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.13:1WCAG large text: AAA
Contrast with black, large text1.6:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 25.8Midnight blue · ΔE 32.6Dark slate grey · ΔE 33.5Steel blue · ΔE 34.1Black · ΔE 36.3Slate grey · ΔE 38.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 25.79, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#5C3C10
Analogous#10565C, #16105C
Triadic#5C1030, #305C10
Split complementary#5C1610, #565C10
Tetradic#5C1056, #5C3C10, #105C16

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5691E2
Lighter +30%#2B75DA
Lighter +20%#1F5DB3
Lighter +10%#184787
Darker −10%#081931
Darker −20%#010305
Darker −30%#000000
Darker −40%#000000
More saturated +25%#022E6A
Less saturated −25%#1D324F

Channel breakdown

R16
G48
B92
Red16 (6.3%)
Green48 (18.8%)
Blue92 (36.1%)
Hue214.74°
Saturation (HSL)70.37%
Lightness21.18%
Dominant channelBlue
Hex per channelR 10 · G 30 · B 5C

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Every value on this page was computed from “10305c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.