Colour

#0A1219

#0A1219
Blue
Dark
Nearest: Black

#0A1219 is a blue with RGB values 10, 18, 25 and HSL 208°, 43%, 7%. It is a dark colour, so white text on it reaches 18.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#0A1219#0A1219

HEX#0A1219

RGBrgb(10, 18, 25)

RGB (0–1)0.0392, 0.0706, 0.098

RGB percentages3.9%, 7.1%, 9.8%

HSLhsl(208, 42.9%, 6.9%)

HSV / HSBhsv(208, 60%, 9.8%)

CMYK60%, 28%, 0%, 90.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer659,993

CSS custom property--colour: #0A1219;

Brightness & contrast

Relative luminance0.00567WCAG 2.x, 0 is black and 1 is white

Perceived brightness17.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.86:1

Contrast with white18.86:1WCAG normal text: AAA

Contrast with black1.11:1WCAG normal text: Fail

Greyscale equivalent#111111

Inverted#F5EDE6

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0F1219no red cones; affects about 1% of men; ΔE 1.6 from the original

Deuteranopia#0D1019no green cones; the most common form, about 1% of men; ΔE 2.1 from the original

Tritanopia#051414no blue cones; rare, and affects men and women equally; ΔE 5.4 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.86:1WCAG large text: AAA

Contrast with black, large text1.11:1WCAG large text: Fail

Named colours

Black · ΔE 7.6 Dark slate grey · ΔE 28.3 Dim grey · ΔE 39.7 Slate grey · ΔE 48 Gray · ΔE 48.8 Light slate grey · ΔE 51.1

Nearest named CSS colourBlack (#000000)ΔE 7.56, clearly different but related

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#19110A

Analogous#0A1919, #0A0B19

Triadic#190A12, #12190A

Split complementary#190A0B, #19190A

Tetradic#190A19, #19110A, #0B190A

Tints, shades & saturation

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

Lighter +40%#447BAB

Lighter +30%#366186

Lighter +20%#274662

Lighter +10%#192C3D

Darker −10%#000000

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#06121D

Less saturated −25%#0E1215

Channel breakdown

R10

G18

B25

Red10 (3.9%)

Green18 (7.1%)

Blue25 (9.8%)

Hue208°

Saturation (HSL)42.86%

Lightness6.86%

Dominant channelBlue

Hex per channelR 0A · G 12 · B 19

Keep nerding

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

#0A1219

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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