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Colour

#1B6AFF

  • #1B6AFF
  • Blue
  • Dark
  • Nearest: Royal blue

#1B6AFF is a blue with RGB values 27, 106, 255 and HSL 219°, 100%, 55%. It is a dark colour, so white text on it reaches 4.6:1 contrast (AA for normal text). The nearest named colour is Royal blue.

Colour values

#1B6AFF#1B6AFF
HEX#1B6AFF
RGBrgb(27, 106, 255)
RGB (0–1)0.1059, 0.4157, 1
RGB percentages10.6%, 41.6%, 100%
HSLhsl(219.2, 100%, 55.3%)
HSV / HSBhsv(219.2, 89.4%, 100%)
CMYK89.4%, 58.4%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,796,863
CSS custom property--colour: #1B6AFF;

Brightness & contrast

Relative luminance0.17761WCAG 2.x, 0 is black and 1 is white
Perceived brightness119.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 4.61:1
Contrast with white4.61:1WCAG normal text: AA
Contrast with black4.55:1WCAG normal text: AA
Greyscale equivalent#646464
Inverted#E49500

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#007FFFno red cones; affects about 1% of men; ΔE 17.2 from the original
Deuteranopia#006BFCno green cones; the most common form, about 1% of men; ΔE 2.8 from the original
Tritanopia#0090AAno blue cones; rare, and affects men and women equally; ΔE 80.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text4.61:1WCAG large text: AAA
Contrast with black, large text4.55:1WCAG large text: AAA

Named colours

Royal blue · ΔE 16.3Medium slateblue · ΔE 16.6Slate blue · ΔE 22.6Dodgerblue · ΔE 30.4Medium purple · ΔE 30.5Blue violet · ΔE 37.4
Nearest named CSS colourRoyal blue (#4169E1)ΔE 16.34, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFB01B
Analogous#1BDCFF, #3E1BFF
Triadic#FF1B6A, #6AFF1B
Split complementary#FF3E1B, #DCFF1B
Tetradic#FF1BDC, #FFB01B, #1BFF3E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E7EFFF
Lighter +30%#B4CEFF
Lighter +20%#81ADFF
Lighter +10%#4E8BFF
Darker −10%#0050E7
Darker −20%#003EB4
Darker −30%#002D81
Darker −40%#001B4E
More saturated +25%#1B6AFF
Less saturated −25%#3773E3

Channel breakdown

R27
G106
B255
Red27 (10.6%)
Green106 (41.6%)
Blue255 (100%)
Hue219.21°
Saturation (HSL)100%
Lightness55.29%
Dominant channelBlue
Hex per channelR 1B · G 6A · B FF

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Every value on this page was computed from “1b6aff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.