Colour

#1A66B2

#1A66B2
Blue
Dark
Nearest: Cornflower blue

#1A66B2 is a blue with RGB values 26, 102, 178 and HSL 210°, 75%, 40%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Cornflower blue.

Colour values

#1A66B2#1A66B2

HEX#1A66B2

RGBrgb(26, 102, 178)

RGB (0–1)0.102, 0.4, 0.698

RGB percentages10.2%, 40%, 69.8%

HSLhsl(210, 74.5%, 40%)

HSV / HSBhsv(210, 85.4%, 69.8%)

CMYK85.4%, 42.7%, 0%, 30.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,730,226

CSS custom property--colour: #1A66B2;

Brightness & contrast

Relative luminance0.12937WCAG 2.x, 0 is black and 1 is white

Perceived brightness99.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.85:1

Contrast with white5.85:1WCAG normal text: AA

Contrast with black3.59:1WCAG normal text: Fail

Greyscale equivalent#5B5B5B

Inverted#E5994D

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#3F6CB5no red cones; affects about 1% of men; ΔE 5 from the original

Deuteranopia#235FB1no green cones; the most common form, about 1% of men; ΔE 5.9 from the original

Tritanopia#007883no blue cones; rare, and affects men and women equally; ΔE 44.3 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text5.85:1WCAG large text: AAA

Contrast with black, large text3.59:1WCAG large text: AA

Named colours

Cornflower blue · ΔE 19.7 Steel blue · ΔE 20.2 Dark slateblue · ΔE 23.6 Dodgerblue · ΔE 24 Royal blue · ΔE 27.9 Slate blue · ΔE 32

Nearest named CSS colourCornflower blue (#6495ED)ΔE 19.71, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#B2661A

Analogous#1AB2B2, #1A1AB2

Triadic#B21A66, #66B21A

Split complementary#B21A1A, #B2B21A

Tetradic#B21AB2, #B2661A, #1AB21A

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#A6CCF2

Lighter +30%#79B3EC

Lighter +20%#4D99E5

Lighter +10%#2180DF

Darker −10%#134D86

Darker −20%#0D3359

Darker −30%#071A2D

Darker −40%#000000

More saturated +25%#0066CC

Less saturated −25%#336699

Channel breakdown

R26

G102

B178

Red26 (10.2%)

Green102 (40%)

Blue178 (69.8%)

Hue210°

Saturation (HSL)74.51%

Lightness40%

Dominant channelBlue

Hex per channelR 1A · G 66 · B B2

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#1A66B2

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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