Colour

#1E3191

#1E3191
Blue
Dark
Nearest: Midnight blue

#1E3191 is a blue with RGB values 30, 49, 145 and HSL 230°, 66%, 34%. It is a dark colour, so white text on it reaches 11:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#1E3191#1E3191

HEX#1E3191

RGBrgb(30, 49, 145)

RGB (0–1)0.1176, 0.1922, 0.5686

RGB percentages11.8%, 19.2%, 56.9%

HSLhsl(230.1, 65.7%, 34.3%)

HSV / HSBhsv(230.1, 79.3%, 56.9%)

CMYK79.3%, 66.2%, 0%, 43.1%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,978,769

CSS custom property--colour: #1E3191;

Brightness & contrast

Relative luminance0.04517WCAG 2.x, 0 is black and 1 is white

Perceived brightness63.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.03:1

Contrast with white11.03:1WCAG normal text: AAA

Contrast with black1.9:1WCAG normal text: Fail

Greyscale equivalent#343434

Inverted#E1CE6E

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#004294no red cones; affects about 1% of men; ΔE 14.2 from the original

Deuteranopia#00378Fno green cones; the most common form, about 1% of men; ΔE 7.3 from the original

Tritanopia#004A5Cno blue cones; rare, and affects men and women equally; ΔE 57 from the original

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

Contrast with white, large text11.03:1WCAG large text: AAA

Contrast with black, large text1.9:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 11.2 Dark slateblue · ΔE 14.2 Rebecca purple · ΔE 17.7 Slate blue · ΔE 21.4 Indigo · ΔE 23.3 Navy · ΔE 24.4

Nearest named CSS colourMidnight blue (#191970)ΔE 11.2, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#917E1E

Analogous#1E6A91, #441E91

Triadic#911E31, #31911E

Split complementary#91441E, #6B911E

Tetradic#911E6B, #917E1E, #1E9145

Tints, shades & saturation

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

Lighter +40%#92A1E9

Lighter +30%#687CE0

Lighter +20%#3E57D7

Lighter +10%#273FBB

Darker −10%#152367

Darker −20%#0D143C

Darker −30%#040612

Darker −40%#000000

More saturated +25%#0822A7

Less saturated −25%#34407B

Channel breakdown

R30

G49

B145

Red30 (11.8%)

Green49 (19.2%)

Blue145 (56.9%)

Hue230.09°

Saturation (HSL)65.71%

Lightness34.31%

Dominant channelBlue

Hex per channelR 1E · G 31 · B 91

Keep nerding

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#1E3191

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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