Colour

#1000A1

#1000A1
Blue
Dark
Nearest: Dark blue

#1000A1 is a blue with RGB values 16, 0, 161 and HSL 246°, 100%, 32%. It is a dark colour, so white text on it reaches 13.7:1 contrast (AAA for normal text). The nearest named colour is Dark blue.

Colour values

#1000A1#1000A1

HEX#1000A1

RGBrgb(16, 0, 161)

RGB (0–1)0.0627, 0, 0.6314

RGB percentages6.3%, 0%, 63.1%

HSLhsl(246, 100%, 31.6%)

HSV / HSBhsv(246, 100%, 63.1%)

CMYK90.1%, 100%, 0%, 36.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,048,737

CSS custom property--colour: #1000A1;

Brightness & contrast

Relative luminance0.02683WCAG 2.x, 0 is black and 1 is white

Perceived brightness55.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 13.67:1

Contrast with white13.67:1WCAG normal text: AAA

Contrast with black1.54:1WCAG normal text: Fail

Greyscale equivalent#0F0F0F

Inverted#EFFF5E

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0035A5no red cones; affects about 1% of men; ΔE 28.2 from the original

Deuteranopia#00259Fno green cones; the most common form, about 1% of men; ΔE 18.6 from the original

Tritanopia#00415Dno blue cones; rare, and affects men and women equally; ΔE 83.3 from the original

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

Contrast with white, large text13.67:1WCAG large text: AAA

Contrast with black, large text1.54:1WCAG large text: Fail

Named colours

Dark blue · ΔE 9.9 Navy · ΔE 15.2 Medium blue · ΔE 20.2 Indigo · ΔE 22.9 Blue violet · ΔE 27.1 Dark violet · ΔE 29.4

Nearest named CSS colourDark blue (#00008B)ΔE 9.95, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#91A100

Analogous#0040A1, #6100A1

Triadic#A11000, #00A110

Split complementary#A16100, #40A100

Tetradic#A10040, #91A100, #00A161

Tints, shades & saturation

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

Lighter +40%#7C6EFF

Lighter +30%#4E3BFF

Lighter +20%#2108FF

Lighter +10%#1500D4

Darker −10%#0B006E

Darker −20%#06003B

Darker −30%#010008

Darker −40%#000000

More saturated +25%#1000A1

Less saturated −25%#20148D

Channel breakdown

R16

B161

Red16 (6.3%)

Green0 (0%)

Blue161 (63.1%)

Hue245.96°

Saturation (HSL)100%

Lightness31.57%

Dominant channelBlue

Hex per channelR 10 · G 00 · B A1

Keep nerding

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#1000A1

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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