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Recognised as Colour

#102D64

  • #102D64
  • Blue
  • Dark
  • Nearest: Dark slateblue

#102D64 is a blue with RGB values 16, 45, 100 and HSL 219°, 72%, 23%. It is a dark colour, so white text on it reaches 13.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#102D64#102D64
HEX#102D64
RGBrgb(16, 45, 100)
RGB (0–1)0.0627, 0.1765, 0.3922
RGB percentages6.3%, 17.6%, 39.2%
HSLhsl(219.3, 72.4%, 22.7%)
HSV / HSBhsv(219.3, 84%, 39.2%)
CMYK84%, 55%, 0%, 60.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,060,196
CSS custom property--colour: #102D64;

Brightness & contrast

Relative luminance0.02907WCAG 2.x, 0 is black and 1 is white
Perceived brightness49 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 13.28:1
Contrast with white13.28:1WCAG normal text: AAA
Contrast with black1.58:1WCAG normal text: Fail
Greyscale equivalent#2B2B2B
Inverted#EFD29B

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#083466no red cones; affects about 1% of men; ΔE 5.9 from the original
Deuteranopia#002C63no green cones; the most common form, about 1% of men; ΔE 1.7 from the original
Tritanopia#003A43no blue cones; rare, and affects men and women equally; ΔE 35.6 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text13.28:1WCAG large text: AAA
Contrast with black, large text1.58:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 19.2Midnight blue · ΔE 24.6Rebecca purple · ΔE 35.7Steel blue · ΔE 36.6Dark slate grey · ΔE 41.2Slate blue · ΔE 41.7
Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.22, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#644710
Analogous#105764, #1D1064
Triadic#64102D, #2D6410
Split complementary#641D10, #576410
Tetradic#641057, #644710, #10641D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5B8BE5
Lighter +30%#2F6BDE
Lighter +20%#1E55BC
Lighter +10%#174190
Darker −10%#091938
Darker −20%#02050C
Darker −30%#000000
Darker −40%#000000
More saturated +25%#022972
Less saturated −25%#1E3156

Channel breakdown

R16
G45
B100
Red16 (6.3%)
Green45 (17.6%)
Blue100 (39.2%)
Hue219.29°
Saturation (HSL)72.41%
Lightness22.75%
Dominant channelBlue
Hex per channelR 10 · G 2D · B 64

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Every value on this page was computed from “102d64” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.