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Colour

#1A39FF

  • #1A39FF
  • Blue
  • Dark
  • Nearest: Medium blue

#1A39FF is a blue with RGB values 26, 57, 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

#1A39FF#1A39FF
HEX#1A39FF
RGBrgb(26, 57, 255)
RGB (0–1)0.102, 0.2235, 1
RGB percentages10.2%, 22.4%, 100%
HSLhsl(231.9, 100%, 55.1%)
HSV / HSBhsv(231.9, 89.8%, 100%)
CMYK89.8%, 77.6%, 0%, 0%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,718,783
CSS custom property--colour: #1A39FF;

Brightness & contrast

Relative luminance0.10366WCAG 2.x, 0 is black and 1 is white
Perceived brightness97.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 6.83:1
Contrast with white6.83:1WCAG normal text: AA
Contrast with black3.07:1WCAG normal text: Fail
Greyscale equivalent#414141
Inverted#E5C600

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0066FFno red cones; affects about 1% of men; ΔE 32.5 from the original
Deuteranopia#004FFCno green cones; the most common form, about 1% of men; ΔE 16.3 from the original
Tritanopia#00779Cno blue cones; rare, and affects men and women equally; ΔE 103.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text6.83:1WCAG large text: AAA
Contrast with black, large text3.07:1WCAG large text: AA

Named colours

Medium blue · ΔE 15.6Blue · ΔE 20.8Blue violet · ΔE 24.3Dark violet · ΔE 30.6Dark orchid · ΔE 37.9Dark blue · ΔE 39.2
Nearest named CSS colourMedium blue (#0000CD)ΔE 15.61, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#FFE01A
Analogous#1AACFF, #6E1AFF
Triadic#FF1A39, #39FF1A
Split complementary#FF6E1A, #ABFF1A
Tetradic#FF1AAB, #FFE01A, #1AFF6E

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E6E9FF
Lighter +30%#B3BDFF
Lighter +20%#8091FF
Lighter +10%#4D65FF
Darker −10%#001FE6
Darker −20%#0018B3
Darker −30%#001180
Darker −40%#000A4D
More saturated +25%#1A39FF
Less saturated −25%#374EE2

Channel breakdown

R26
G57
B255
Red26 (10.2%)
Green57 (22.4%)
Blue255 (100%)
Hue231.88°
Saturation (HSL)100%
Lightness55.1%
Dominant channelBlue
Hex per channelR 1A · G 39 · B FF

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Every value on this page was computed from “1a39ff” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.