Recognised as Colour

#10175B

#10175B
Blue
Dark
Nearest: Midnight blue

#10175B is a blue with RGB values 16, 23, 91 and HSL 234°, 70%, 21%. It is a dark colour, so white text on it reaches 16.2:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#10175B#10175B

HEX#10175B

RGBrgb(16, 23, 91)

RGB (0–1)0.0627, 0.0902, 0.3569

RGB percentages6.3%, 9%, 35.7%

HSLhsl(234.4, 70.1%, 21%)

HSV / HSBhsv(234.4, 82.4%, 35.7%)

CMYK82.4%, 74.7%, 0%, 64.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer1,054,555

CSS custom property--colour: #10175B;

Brightness & contrast

Relative luminance0.01478WCAG 2.x, 0 is black and 1 is white

Perceived brightness36.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 16.21:1

Contrast with white16.21:1WCAG normal text: AAA

Contrast with black1.3:1WCAG normal text: Fail

Greyscale equivalent#1A1A1A

Inverted#EFE8A4

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00245Dno red cones; affects about 1% of men; ΔE 11.5 from the original

Deuteranopia#001D5Ano green cones; the most common form, about 1% of men; ΔE 6.7 from the original

Tritanopia#002A37no blue cones; rare, and affects men and women equally; ΔE 43.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text16.21:1WCAG large text: AAA

Contrast with black, large text1.3:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 11.7 Dark slateblue · ΔE 18.5 Rebecca purple · ΔE 28.3 Indigo · ΔE 31.1 Navy · ΔE 33.1 Dark blue · ΔE 38

Nearest named CSS colourMidnight blue (#191970)ΔE 11.71, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#5B5410

Analogous#103D5B, #2E105B

Triadic#5B1017, #175B10

Split complementary#5B2E10, #3D5B10

Tetradic#5B103D, #5B5410, #105B2E

Tints, shades & saturation

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

Lighter +40%#5663E1

Lighter +30%#2A3BDA

Lighter +20%#1F2DB2

Lighter +10%#182286

Darker −10%#080C30

Darker −20%#010104

Darker −30%#000000

Darker −40%#000000

More saturated +25%#030C68

Less saturated −25%#1D224E

Channel breakdown

R16

G23

B91

Red16 (6.3%)

Green23 (9%)

Blue91 (35.7%)

Hue234.4°

Saturation (HSL)70.09%

Lightness20.98%

Dominant channelBlue

Hex per channelR 10 · G 17 · B 5B

Keep nerding

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

#10175B

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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