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Colour

#1A356A

  • #1A356A
  • Blue
  • Dark
  • Nearest: Dark slateblue

#1A356A is a blue with RGB values 26, 53, 106 and HSL 220°, 61%, 26%. It is a dark colour, so white text on it reaches 11.9:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#1A356A#1A356A
HEX#1A356A
RGBrgb(26, 53, 106)
RGB (0–1)0.102, 0.2078, 0.4157
RGB percentages10.2%, 20.8%, 41.6%
HSLhsl(219.8, 60.6%, 25.9%)
HSV / HSBhsv(219.8, 75.5%, 41.6%)
CMYK75.5%, 50%, 0%, 58.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,717,610
CSS custom property--colour: #1A356A;

Brightness & contrast

Relative luminance0.03806WCAG 2.x, 0 is black and 1 is white
Perceived brightness56 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 11.92:1
Contrast with white11.92:1WCAG normal text: AAA
Contrast with black1.76:1WCAG normal text: Fail
Greyscale equivalent#333333
Inverted#E5CA95

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#193B6Cno red cones; affects about 1% of men; ΔE 4.5 from the original
Deuteranopia#053369no green cones; the most common form, about 1% of men; ΔE 2.5 from the original
Tritanopia#00414Ano blue cones; rare, and affects men and women equally; ΔE 33.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text11.92:1WCAG large text: AAA
Contrast with black, large text1.76:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 19.6Midnight blue · ΔE 27.7Steel blue · ΔE 32.7Rebecca purple · ΔE 36.8Dark slate grey · ΔE 38.2Slate grey · ΔE 39.8
Nearest named CSS colourDark slateblue (#483D8B)ΔE 19.62, a distinctly different colour
Hue familyblue
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#6A4F1A
Analogous#1A5D6A, #271A6A
Triadic#6A1A35, #356A1A
Split complementary#6A271A, #5D6A1A
Tetradic#6A1A5D, #6A4F1A, #1A6A27

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#7397DD
Lighter +30%#4A78D3
Lighter +20%#2E5EBC
Lighter +10%#244993
Darker −10%#102141
Darker −20%#060C18
Darker −30%#000000
Darker −40%#000000
More saturated +25%#0A307B
Less saturated −25%#2B3A5A

Channel breakdown

R26
G53
B106
Red26 (10.2%)
Green53 (20.8%)
Blue106 (41.6%)
Hue219.75°
Saturation (HSL)60.61%
Lightness25.88%
Dominant channelBlue
Hex per channelR 1A · G 35 · B 6A

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Every value on this page was computed from “1a356a” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.