Colour

#101A20

#101A20
Blue
Dark
Nearest: Black

#101A20 is a blue with RGB values 16, 26, 32 and HSL 203°, 33%, 9%. It is a dark colour, so white text on it reaches 17.6:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#101A20#101A20

HEX#101A20

RGBrgb(16, 26, 32)

RGB (0–1)0.0627, 0.102, 0.1255

RGB percentages6.3%, 10.2%, 12.5%

HSLhsl(202.5, 33.3%, 9.4%)

HSV / HSBhsv(202.5, 50%, 12.5%)

CMYK50%, 18.8%, 0%, 87.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,055,264

CSS custom property--colour: #101A20;

Brightness & contrast

Relative luminance0.00953WCAG 2.x, 0 is black and 1 is white

Perceived brightness24.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.64:1

Contrast with white17.64:1WCAG normal text: AAA

Contrast with black1.19:1WCAG normal text: Fail

Greyscale equivalent#181818

Inverted#EFE5DF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#171A20no red cones; affects about 1% of men; ΔE 3 from the original

Deuteranopia#151820no green cones; the most common form, about 1% of men; ΔE 3.5 from the original

Tritanopia#0A1C1Cno blue cones; rare, and affects men and women equally; ΔE 5.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.64:1WCAG large text: AAA

Contrast with black, large text1.19:1WCAG large text: Fail

Named colours

Black · ΔE 10.6 Dark slate grey · ΔE 24.5 Dim grey · ΔE 36.3 Slate grey · ΔE 44.5 Gray · ΔE 45.4 Light slate grey · ΔE 47.6

Nearest named CSS colourBlack (#000000)ΔE 10.56, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#201610

Analogous#10201E, #101220

Triadic#20101A, #1A2010

Split complementary#201012, #201E10

Tetradic#1E1020, #201610, #122010

Tints, shades & saturation

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

Lighter +40%#5489A8

Lighter +30%#436D86

Lighter +20%#325164

Lighter +10%#213642

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#0A1C26

Less saturated −25%#16181A

Channel breakdown

R16

G26

B32

Red16 (6.3%)

Green26 (10.2%)

Blue32 (12.5%)

Hue202.5°

Saturation (HSL)33.33%

Lightness9.41%

Dominant channelBlue

Hex per channelR 10 · G 1A · B 20

Keep nerding

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#101A20

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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