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Colour

#1A4E9B

  • #1A4E9B
  • Blue
  • Dark
  • Nearest: Dark slateblue

#1A4E9B is a blue with RGB values 26, 78, 155 and HSL 216°, 71%, 35%. It is a dark colour, so white text on it reaches 8.1:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#1A4E9B#1A4E9B
HEX#1A4E9B
RGBrgb(26, 78, 155)
RGB (0–1)0.102, 0.3059, 0.6078
RGB percentages10.2%, 30.6%, 60.8%
HSLhsl(215.8, 71.3%, 35.5%)
HSV / HSBhsv(215.8, 83.2%, 60.8%)
CMYK83.2%, 49.7%, 0%, 39.2%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,724,059
CSS custom property--colour: #1A4E9B;

Brightness & contrast

Relative luminance0.08035WCAG 2.x, 0 is black and 1 is white
Perceived brightness80.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.06:1
Contrast with white8.06:1WCAG normal text: AAA
Contrast with black2.61:1WCAG normal text: Fail
Greyscale equivalent#494949
Inverted#E5B164

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#20569Eno red cones; affects about 1% of men; ΔE 5.2 from the original
Deuteranopia#004B99no green cones; the most common form, about 1% of men; ΔE 2 from the original
Tritanopia#00616Dno blue cones; rare, and affects men and women equally; ΔE 46.2 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.06:1WCAG large text: AAA
Contrast with black, large text2.61:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 14.5Midnight blue · ΔE 26.5Royal blue · ΔE 26.8Slate blue · ΔE 28.2Cornflower blue · ΔE 28.2Steel blue · ΔE 28.9
Nearest named CSS colourDark slateblue (#483D8B)ΔE 14.52, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#9B671A
Analogous#1A8E9B, #271A9B
Triadic#9B1A4E, #4E9B1A
Split complementary#9B271A, #8E9B1A
Tetradic#9B1A8E, #9B671A, #1A9B27

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#94B8ED
Lighter +30%#689BE6
Lighter +20%#3D7EDE
Lighter +10%#2164C7
Darker −10%#13386F
Darker −20%#0B2244
Darker −30%#040C18
Darker −40%#000000
More saturated +25%#034AB2
Less saturated −25%#315284

Channel breakdown

R26
G78
B155
Red26 (10.2%)
Green78 (30.6%)
Blue155 (60.8%)
Hue215.81°
Saturation (HSL)71.27%
Lightness35.49%
Dominant channelBlue
Hex per channelR 1A · G 4E · B 9B

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Every value on this page was computed from “1a4e9b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.