Recognised as Colour

#1A17B1

#1A17B1
Blue
Dark
Nearest: Dark blue

#1A17B1 is a blue with RGB values 26, 23, 177 and HSL 241°, 77%, 39%. It is a dark colour, so white text on it reaches 11.7:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#1A17B1#1A17B1

HEX#1A17B1

RGBrgb(26, 23, 177)

RGB (0–1)0.102, 0.0902, 0.6941

RGB percentages10.2%, 9%, 69.4%

HSLhsl(241.2, 77%, 39.2%)

HSV / HSBhsv(241.2, 87%, 69.4%)

CMYK85.3%, 87%, 0%, 30.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,710,001

CSS custom property--colour: #1A17B1;

Brightness & contrast

Relative luminance0.04007WCAG 2.x, 0 is black and 1 is white

Perceived brightness63.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.66:1

Contrast with white11.66:1WCAG normal text: AAA

Contrast with black1.8:1WCAG normal text: Fail

Greyscale equivalent#232323

Inverted#E5E84E

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0040B5no red cones; affects about 1% of men; ΔE 26.5 from the original

Deuteranopia#0030AFno green cones; the most common form, about 1% of men; ΔE 16.6 from the original

Tritanopia#004C68no blue cones; rare, and affects men and women equally; ΔE 84 from the original

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

Contrast with white, large text11.66:1WCAG large text: AAA

Contrast with black, large text1.8:1WCAG large text: Fail

Named colours

Dark blue · ΔE 12.7 Navy · ΔE 17.6 Medium blue · ΔE 19.6 Indigo · ΔE 24.1 Blue violet · ΔE 24.5 Dark violet · ΔE 28.2

Nearest named CSS colourDark blue (#00008B)ΔE 12.74, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#AEB117

Analogous#1761B1, #6717B1

Triadic#B11A17, #17B11A

Split complementary#B16717, #61B117

Tetradic#B11761, #AEB117, #17B167

Tints, shades & saturation

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

Lighter +40%#A3A1F3

Lighter +30%#7674ED

Lighter +20%#4A47E7

Lighter +10%#211DDE

Darker −10%#131184

Darker −20%#0D0B57

Darker −30%#06052A

Darker −40%#000000

More saturated +25%#0400C8

Less saturated −25%#323098

Channel breakdown

R26

G23

B177

Red26 (10.2%)

Green23 (9%)

Blue177 (69.4%)

Hue241.17°

Saturation (HSL)77%

Lightness39.22%

Dominant channelBlue

Hex per channelR 1A · G 17 · B B1

Keep nerding

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

#1A17B1

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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