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Colour

#1A1AFF

  • #1A1AFF
  • Blue
  • Dark
  • Nearest: Blue

#1A1AFF is a blue with RGB values 26, 26, 255 and HSL 240°, 100%, 55%. It is a dark colour, so white text on it reaches 8:1 contrast (AAA for normal text). The nearest named colour is Blue.

Colour values

#1A1AFF#1A1AFF
HEX#1A1AFF
RGBrgb(26, 26, 255)
RGB (0–1)0.102, 0.102, 1
RGB percentages10.2%, 10.2%, 100%
HSLhsl(240, 100%, 55.1%)
HSV / HSBhsv(240, 89.8%, 100%)
CMYK89.8%, 89.8%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,710,847
CSS custom property--colour: #1A1AFF;

Brightness & contrast

Relative luminance0.08178WCAG 2.x, 0 is black and 1 is white
Perceived brightness89.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.97:1
Contrast with white7.97:1WCAG normal text: AAA
Contrast with black2.64:1WCAG normal text: Fail
Greyscale equivalent#2B2B2B
Inverted#E5E500

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#005DFFno red cones; affects about 1% of men; ΔE 40.2 from the original
Deuteranopia#0044FCno green cones; the most common form, about 1% of men; ΔE 23.1 from the original
Tritanopia#006E97no blue cones; rare, and affects men and women equally; ΔE 113.9 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.97:1WCAG large text: AAA
Contrast with black, large text2.64:1WCAG large text: Fail

Named colours

Blue · ΔE 6.2Medium blue · ΔE 17.6Blue violet · ΔE 31Dark violet · ΔE 34.5Dark orchid · ΔE 46.2Dark blue · ΔE 47.3
Nearest named CSS colourBlue (#0000FF)ΔE 6.15, clearly different but related
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFFF1A
Analogous#1A8DFF, #8D1AFF
Triadic#FF1A1A, #1AFF1A
Split complementary#FF8D1A, #8DFF1A
Tetradic#FF1A8D, #FFFF1A, #1AFF8D

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E6E6FF
Lighter +30%#B3B3FF
Lighter +20%#8080FF
Lighter +10%#4D4DFF
Darker −10%#0000E6
Darker −20%#0000B3
Darker −30%#000080
Darker −40%#00004D
More saturated +25%#1A1AFF
Less saturated −25%#3737E2

Channel breakdown

R26
G26
B255
Red26 (10.2%)
Green26 (10.2%)
Blue255 (100%)
Hue240°
Saturation (HSL)100%
Lightness55.1%
Dominant channelBlue
Hex per channelR 1A · G 1A · B FF

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Every value on this page was computed from “1a1aff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.