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Recognised as Colour

#102A4D

  • #102A4D
  • Blue
  • Dark
  • Nearest: Dark slate grey

#102A4D is a blue with RGB values 16, 42, 77 and HSL 214°, 66%, 18%. It is a dark colour, so white text on it reaches 14.4:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#102A4D#102A4D
HEX#102A4D
RGBrgb(16, 42, 77)
RGB (0–1)0.0627, 0.1647, 0.302
RGB percentages6.3%, 16.5%, 30.2%
HSLhsl(214.4, 65.6%, 18.2%)
HSV / HSBhsv(214.4, 79.2%, 30.2%)
CMYK79.2%, 45.5%, 0%, 69.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,059,405
CSS custom property--colour: #102A4D;

Brightness & contrast

Relative luminance0.02302WCAG 2.x, 0 is black and 1 is white
Perceived brightness42.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.38:1
Contrast with white14.38:1WCAG normal text: AAA
Contrast with black1.46:1WCAG normal text: Fail
Greyscale equivalent#272727
Inverted#EFD5B2

Colour vision & accessibility

Protanopia#192D4Eno red cones; affects about 1% of men; ΔE 2.3 from the original
Deuteranopia#0F274Cno green cones; the most common form, about 1% of men; ΔE 2.3 from the original
Tritanopia#003237no blue cones; rare, and affects men and women equally; ΔE 24.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.38:1WCAG large text: AAA
Contrast with black, large text1.46:1WCAG large text: Fail

Named colours

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 29.74, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#4D3310
Analogous#10494D, #14104D
Triadic#4D102A, #2A4D10
Split complementary#4D1410, #494D10
Tetradic#4D1049, #4D3310, #104D14

Tints, shades & saturation

Lighter +40%#4F8ADA
Lighter +30%#2A6FCC
Lighter +20%#2258A1
Lighter +10%#194177
Darker −10%#071323
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#042859
Less saturated −25%#1C2C41

Channel breakdown

R16
G42
B77
Red16 (6.3%)
Green42 (16.5%)
Blue77 (30.2%)
Hue214.43°
Saturation (HSL)65.59%
Lightness18.24%
Dominant channelBlue
Hex per channelR 10 · G 2A · B 4D

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Every value on this page was computed from “102a4d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.