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Recognised as Colour

#100B4E

  • #100B4E
  • Blue
  • Dark
  • Nearest: Midnight blue

#100B4E is a blue with RGB values 16, 11, 78 and HSL 244°, 75%, 17%. It is a dark colour, so white text on it reaches 17.8:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#100B4E#100B4E
HEX#100B4E
RGBrgb(16, 11, 78)
RGB (0–1)0.0627, 0.0431, 0.3059
RGB percentages6.3%, 4.3%, 30.6%
HSLhsl(244.5, 75.3%, 17.5%)
HSV / HSBhsv(244.5, 85.9%, 30.6%)
CMYK79.5%, 85.9%, 0%, 69.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,051,470
CSS custom property--colour: #100B4E;

Brightness & contrast

Relative luminance0.009WCAG 2.x, 0 is black and 1 is white
Perceived brightness29 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 17.8:1
Contrast with white17.8:1WCAG normal text: AAA
Contrast with black1.18:1WCAG normal text: Fail
Greyscale equivalent#111111
Inverted#EFF4B1

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#001B50no red cones; affects about 1% of men; ΔE 13.5 from the original
Deuteranopia#00154Dno green cones; the most common form, about 1% of men; ΔE 9.5 from the original
Tritanopia#001F2Cno blue cones; rare, and affects men and women equally; ΔE 42.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text17.8:1WCAG large text: AAA
Contrast with black, large text1.18:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 13.5Dark slateblue · ΔE 22.9Rebecca purple · ΔE 30.4Indigo · ΔE 30.8Navy · ΔE 32.8Dark blue · ΔE 37.9
Nearest named CSS colourMidnight blue (#191970)ΔE 13.46, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#494E0B
Analogous#0B284E, #320B4E
Triadic#4E100B, #0B4E10
Split complementary#4E320B, #274E0B
Tetradic#4E0B27, #494E0B, #0B4E32

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#4D41E4
Lighter +30%#2C1ED4
Lighter +20%#2218A7
Lighter +10%#19117B
Darker −10%#070521
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#070059
Less saturated −25%#191643

Channel breakdown

R16
G11
B78
Red16 (6.3%)
Green11 (4.3%)
Blue78 (30.6%)
Hue244.48°
Saturation (HSL)75.28%
Lightness17.45%
Dominant channelBlue
Hex per channelR 10 · G 0B · B 4E

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Every value on this page was computed from “100b4e” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.