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Colour

#1A3AFF

  • #1A3AFF
  • Blue
  • Dark
  • Nearest: Medium blue

#1A3AFF is a blue with RGB values 26, 58, 255 and HSL 232°, 100%, 55%. It is a dark colour, so white text on it reaches 6.8:1 contrast (AA for normal text). The nearest named colour is Medium blue.

Colour values

#1A3AFF#1A3AFF
HEX#1A3AFF
RGBrgb(26, 58, 255)
RGB (0–1)0.102, 0.2275, 1
RGB percentages10.2%, 22.7%, 100%
HSLhsl(231.6, 100%, 55.1%)
HSV / HSBhsv(231.6, 89.8%, 100%)
CMYK89.8%, 77.3%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,719,039
CSS custom property--colour: #1A3AFF;

Brightness & contrast

Relative luminance0.10466WCAG 2.x, 0 is black and 1 is white
Perceived brightness97.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.79:1
Contrast with white6.79:1WCAG normal text: AA
Contrast with black3.09:1WCAG normal text: Fail
Greyscale equivalent#414141
Inverted#E5C500

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0066FFno red cones; affects about 1% of men; ΔE 31.9 from the original
Deuteranopia#004FFCno green cones; the most common form, about 1% of men; ΔE 15.7 from the original
Tritanopia#00789Cno blue cones; rare, and affects men and women equally; ΔE 104 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.79:1WCAG large text: AAA
Contrast with black, large text3.09:1WCAG large text: AA

Named colours

Medium blue · ΔE 15.8Blue · ΔE 21.4Blue violet · ΔE 24.2Dark violet · ΔE 30.6Dark orchid · ΔE 37.6Dark blue · ΔE 38.9
Nearest named CSS colourMedium blue (#0000CD)ΔE 15.82, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFDF1A
Analogous#1AADFF, #6C1AFF
Triadic#FF1A3A, #3AFF1A
Split complementary#FF6C1A, #ADFF1A
Tetradic#FF1AAD, #FFDF1A, #1AFF6C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E6E9FF
Lighter +30%#B3BEFF
Lighter +20%#8092FF
Lighter +10%#4D66FF
Darker −10%#0020E6
Darker −20%#0019B3
Darker −30%#001280
Darker −40%#000B4D
More saturated +25%#1A3AFF
Less saturated −25%#374FE2

Channel breakdown

R26
G58
B255
Red26 (10.2%)
Green58 (22.7%)
Blue255 (100%)
Hue231.62°
Saturation (HSL)100%
Lightness55.1%
Dominant channelBlue
Hex per channelR 1A · G 3A · B FF

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Every value on this page was computed from “1a3aff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.