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Recognised as Colour

#100F1C

  • #100F1C
  • Blue
  • Dark
  • Nearest: Black

#100F1C is a blue with RGB values 16, 15, 28 and HSL 245°, 30%, 8%. It is a dark colour, so white text on it reaches 19:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#100F1C#100F1C
HEX#100F1C
RGBrgb(16, 15, 28)
RGB (0–1)0.0627, 0.0588, 0.1098
RGB percentages6.3%, 5.9%, 11%
HSLhsl(244.6, 30.2%, 8.4%)
HSV / HSBhsv(244.6, 46.4%, 11%)
CMYK42.9%, 46.4%, 0%, 89%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,052,444
CSS custom property--colour: #100F1C;

Brightness & contrast

Relative luminance0.00536WCAG 2.x, 0 is black and 1 is white
Perceived brightness17.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.97:1
Contrast with white18.97:1WCAG normal text: AAA
Contrast with black1.11:1WCAG normal text: Fail
Greyscale equivalent#101010
Inverted#EFF0E3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0B111Dno red cones; affects about 1% of men; ΔE 2.4 from the original
Deuteranopia#0B101Cno green cones; the most common form, about 1% of men; ΔE 2.1 from the original
Tritanopia#0D1114no blue cones; rare, and affects men and women equally; ΔE 7.3 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.97:1WCAG large text: AAA
Contrast with black, large text1.11:1WCAG large text: Fail

Named colours

Black · ΔE 10.1Dark slate grey · ΔE 30.8Dim grey · ΔE 40.6Dark slateblue · ΔE 48.3Slate grey · ΔE 48.4Gray · ΔE 49.6
Nearest named CSS colourBlack (#000000)ΔE 10.15, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1B1C0F
Analogous#0F151C, #160F1C
Triadic#1C100F, #0F1C10
Split complementary#1C160F, #151C0F
Tetradic#1C0F15, #1B1C0F, #0F1C16

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#5C56A1
Lighter +30%#494480
Lighter +20%#36335E
Lighter +10%#23213D
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0B0A21
Less saturated −25%#151417

Channel breakdown

R16
G15
B28
Red16 (6.3%)
Green15 (5.9%)
Blue28 (11%)
Hue244.62°
Saturation (HSL)30.23%
Lightness8.43%
Dominant channelBlue
Hex per channelR 10 · G 0F · B 1C

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Every value on this page was computed from “100f1c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.