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Recognised as Colour

#1018BF

  • #1018BF
  • Blue
  • Dark
  • Nearest: Medium blue

#1018BF is a blue with RGB values 16, 24, 191 and HSL 237°, 85%, 41%. It is a dark colour, so white text on it reaches 11:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#1018BF#1018BF
HEX#1018BF
RGBrgb(16, 24, 191)
RGB (0–1)0.0627, 0.0941, 0.749
RGB percentages6.3%, 9.4%, 74.9%
HSLhsl(237.3, 84.5%, 40.6%)
HSV / HSBhsv(237.3, 91.6%, 74.9%)
CMYK91.6%, 87.4%, 0%, 25.1%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,054,911
CSS custom property--colour: #1018BF;

Brightness & contrast

Relative luminance0.04525WCAG 2.x, 0 is black and 1 is white
Perceived brightness67.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.02:1
Contrast with white11.02:1WCAG normal text: AAA
Contrast with black1.91:1WCAG normal text: Fail
Greyscale equivalent#222222
Inverted#EFE740

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0045C3no red cones; affects about 1% of men; ΔE 28.5 from the original
Deuteranopia#0032BCno green cones; the most common form, about 1% of men; ΔE 17.1 from the original
Tritanopia#005271no blue cones; rare, and affects men and women equally; ΔE 89.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text11.02:1WCAG large text: AAA
Contrast with black, large text1.91:1WCAG large text: Fail

Named colours

Medium blue · ΔE 13.2Dark blue · ΔE 18.9Blue violet · ΔE 22.4Navy · ΔE 23.9Dark violet · ΔE 26.7Dark orchid · ΔE 29.9
Nearest named CSS colourMedium blue (#0000CD)ΔE 13.17, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#BFB710
Analogous#106FBF, #6010BF
Triadic#BF1018, #18BF10
Split complementary#BF6010, #6FBF10
Tetradic#BF106F, #BFB710, #10BF60

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#A4A7F7
Lighter +30%#757AF3
Lighter +20%#464DEF
Lighter +10%#1620EC
Darker −10%#0C1290
Darker −20%#080C61
Darker −30%#040632
Darker −40%#000003
More saturated +25%#0009CF
Less saturated −25%#2A30A5

Channel breakdown

R16
G24
B191
Red16 (6.3%)
Green24 (9.4%)
Blue191 (74.9%)
Hue237.26°
Saturation (HSL)84.54%
Lightness40.59%
Dominant channelBlue
Hex per channelR 10 · G 18 · B BF

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Every value on this page was computed from “1018bf” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.