Colour

#1B34D1

#1B34D1
Blue
Dark
Nearest: Medium blue

#1B34D1 is a blue with RGB values 27, 52, 209 and HSL 232°, 77%, 46%. It is a dark colour, so white text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Medium blue.

Colour values

#1B34D1#1B34D1

HEX#1B34D1

RGBrgb(27, 52, 209)

RGB (0–1)0.1059, 0.2039, 0.8196

RGB percentages10.6%, 20.4%, 82%

HSLhsl(231.8, 77.1%, 46.3%)

HSV / HSBhsv(231.8, 87.1%, 82%)

CMYK87.1%, 75.1%, 0%, 18%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,782,993

CSS custom property--colour: #1B34D1;

Brightness & contrast

Relative luminance0.07292WCAG 2.x, 0 is black and 1 is white

Perceived brightness82.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 8.54:1

Contrast with white8.54:1WCAG normal text: AAA

Contrast with black2.46:1WCAG normal text: Fail

Greyscale equivalent#3A3A3A

Inverted#E4CB2E

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0055D6no red cones; affects about 1% of men; ΔE 23.2 from the original

Deuteranopia#0043CEno green cones; the most common form, about 1% of men; ΔE 12.7 from the original

Tritanopia#006380no blue cones; rare, and affects men and women equally; ΔE 86.3 from the original

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

Contrast with white, large text8.54:1WCAG large text: AAA

Contrast with black, large text2.46:1WCAG large text: Fail

Named colours

Medium blue · ΔE 21.4 Dark blue · ΔE 21.8 Blue violet · ΔE 23.1 Navy · ΔE 25.7 Medium slateblue · ΔE 26.9 Dark orchid · ΔE 28.3

Nearest named CSS colourMedium blue (#0000CD)ΔE 21.35, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#D1B81B

Analogous#1B8FD1, #5D1BD1

Triadic#D11B34, #34D11B

Split complementary#D15D1B, #8FD11B

Tetradic#D11B8F, #D1B81B, #1BD15D

Tints, shades & saturation

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

Lighter +40%#C1C8F7

Lighter +30%#94A1F1

Lighter +20%#6779EB

Lighter +10%#3A51E5

Darker −10%#1529A4

Darker −20%#0F1E77

Darker −30%#09124A

Darker −40%#04071C

More saturated +25%#0020EC

Less saturated −25%#3949B3

Channel breakdown

R27

G52

B209

Red27 (10.6%)

Green52 (20.4%)

Blue209 (82%)

Hue231.76°

Saturation (HSL)77.12%

Lightness46.27%

Dominant channelBlue

Hex per channelR 1B · G 34 · B D1

Keep nerding

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

#1B34D1

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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