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Recognised as Colour

#100B29

  • #100B29
  • Blue
  • Dark
  • Nearest: Black

#100B29 is a blue with RGB values 16, 11, 41 and HSL 250°, 58%, 10%. It is a dark colour, so white text on it reaches 19.1:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#100B29#100B29
HEX#100B29
RGBrgb(16, 11, 41)
RGB (0–1)0.0627, 0.0431, 0.1608
RGB percentages6.3%, 4.3%, 16.1%
HSLhsl(250, 57.7%, 10.2%)
HSV / HSBhsv(250, 73.2%, 16.1%)
CMYK61%, 73.2%, 0%, 83.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,051,433
CSS custom property--colour: #100B29;

Brightness & contrast

Relative luminance0.0051WCAG 2.x, 0 is black and 1 is white
Perceived brightness18.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.06:1
Contrast with white19.06:1WCAG normal text: AAA
Contrast with black1.1:1WCAG normal text: Fail
Greyscale equivalent#0E0E0E
Inverted#EFF4D6

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#00112Ano red cones; affects about 1% of men; ΔE 7 from the original
Deuteranopia#000F28no green cones; the most common form, about 1% of men; ΔE 6.8 from the original
Tritanopia#081218no blue cones; rare, and affects men and women equally; ΔE 18.1 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.06:1WCAG large text: AAA
Contrast with black, large text1.1:1WCAG large text: Fail

Named colours

Black · ΔE 21.7Dark slate grey · ΔE 37.6Dark slateblue · ΔE 38.6Midnight blue · ΔE 39.4Dim grey · ΔE 45.1Slate grey · ΔE 50.4
Nearest named CSS colourBlack (#000000)ΔE 21.71, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#24290B
Analogous#0B1529, #1F0B29
Triadic#29100B, #0B2910
Split complementary#291F0B, #15290B
Tetradic#290B15, #24290B, #0B291F

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4F37C9
Lighter +30%#3F2BA2
Lighter +20%#2F2179
Lighter +10%#201651
Darker −10%#000001
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0C0530
Less saturated −25%#141123

Channel breakdown

R16
G11
B41
Red16 (6.3%)
Green11 (4.3%)
Blue41 (16.1%)
Hue250°
Saturation (HSL)57.69%
Lightness10.2%
Dominant channelBlue
Hex per channelR 10 · G 0B · B 29

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Every value on this page was computed from “100b29” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.