Colour

#1B34AF

#1B34AF
Blue
Dark
Nearest: Navy

#1B34AF is a blue with RGB values 27, 52, 175 and HSL 230°, 73%, 40%. It is a dark colour, so white text on it reaches 9.7:1 contrast (AAA for normal text). The nearest named colour is Navy.

Colour values

#1B34AF#1B34AF

HEX#1B34AF

RGBrgb(27, 52, 175)

RGB (0–1)0.1059, 0.2039, 0.6863

RGB percentages10.6%, 20.4%, 68.6%

HSLhsl(229.9, 73.3%, 39.6%)

HSV / HSBhsv(229.9, 84.6%, 68.6%)

CMYK84.6%, 70.3%, 0%, 31.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,782,959

CSS custom property--colour: #1B34AF;

Brightness & contrast

Relative luminance0.05784WCAG 2.x, 0 is black and 1 is white

Perceived brightness72.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 9.74:1

Contrast with white9.74:1WCAG normal text: AAA

Contrast with black2.16:1WCAG normal text: Fail

Greyscale equivalent#383838

Inverted#E4CB50

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#004BB3no red cones; affects about 1% of men; ΔE 17.4 from the original

Deuteranopia#003DADno green cones; the most common form, about 1% of men; ΔE 8.7 from the original

Tritanopia#00576Dno blue cones; rare, and affects men and women equally; ΔE 71 from the original

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

Contrast with white, large text9.74:1WCAG large text: AAA

Contrast with black, large text2.16:1WCAG large text: Fail

Named colours

Navy · ΔE 18.7 Dark blue · ΔE 18.9 Slate blue · ΔE 19.1 Rebecca purple · ΔE 21.1 Indigo · ΔE 21.3 Royal blue · ΔE 22.4

Nearest named CSS colourNavy (#000080)ΔE 18.69, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#AF961B

Analogous#1B7EAF, #4C1BAF

Triadic#AF1B34, #34AF1B

Split complementary#AF4C1B, #7EAF1B

Tetradic#AF1B7E, #AF961B, #1BAF4C

Tints, shades & saturation

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

Lighter +40%#A5B2F1

Lighter +30%#798CEA

Lighter +20%#4D66E3

Lighter +10%#2241DB

Darker −10%#142783

Darker −20%#0D1A57

Darker −30%#070D2A

Darker −40%#000000

More saturated +25%#0223C8

Less saturated −25%#344596

Channel breakdown

R27

G52

B175

Red27 (10.6%)

Green52 (20.4%)

Blue175 (68.6%)

Hue229.86°

Saturation (HSL)73.27%

Lightness39.61%

Dominant channelBlue

Hex per channelR 1B · G 34 · B AF

Keep nerding

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

#1B34AF

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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