Recognised as Colour

#0A123C

#0A123C
Blue
Dark
Nearest: Midnight blue

#0A123C is a blue with RGB values 10, 18, 60 and HSL 230°, 71%, 14%. It is a dark colour, so white text on it reaches 18:1 contrast (AAA for normal text). The nearest named colour is Midnight blue.

Colour values

#0A123C#0A123C

HEX#0A123C

RGBrgb(10, 18, 60)

RGB (0–1)0.0392, 0.0706, 0.2353

RGB percentages3.9%, 7.1%, 23.5%

HSLhsl(230.4, 71.4%, 13.7%)

HSV / HSBhsv(230.4, 83.3%, 23.5%)

CMYK83.3%, 70%, 0%, 76.5%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer660,028

CSS custom property--colour: #0A123C;

Brightness & contrast

Relative luminance0.00823WCAG 2.x, 0 is black and 1 is white

Perceived brightness25.1 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 18.03:1

Contrast with white18.03:1WCAG normal text: AAA

Contrast with black1.16:1WCAG normal text: Fail

Greyscale equivalent#131313

Inverted#F5EDC3

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00193Dno red cones; affects about 1% of men; ΔE 7.3 from the original

Deuteranopia#00143Bno green cones; the most common form, about 1% of men; ΔE 3.8 from the original

Tritanopia#001D24no blue cones; rare, and affects men and women equally; ΔE 29.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text18.03:1WCAG large text: AAA

Contrast with black, large text1.16:1WCAG large text: Fail

Named colours

Midnight blue · ΔE 29.1 Dark slateblue · ΔE 29.8 Black · ΔE 32.2 Dark slate grey · ΔE 42.7 Rebecca purple · ΔE 43 Indigo · ΔE 47.2

Nearest named CSS colourMidnight blue (#191970)ΔE 29.1, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#3C340A

Analogous#0A2B3C, #1B0A3C

Triadic#3C0A12, #123C0A

Split complementary#3C1B0A, #2B3C0A

Tetradic#3C0A2B, #3C340A, #0A3C1B

Tints, shades & saturation

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

Lighter +40%#3550DD

Lighter +30%#2039BF

Lighter +20%#192C93

Lighter +10%#111F68

Darker −10%#030510

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#010C45

Less saturated −25%#131833

Channel breakdown

R10

G18

B60

Red10 (3.9%)

Green18 (7.1%)

Blue60 (23.5%)

Hue230.4°

Saturation (HSL)71.43%

Lightness13.73%

Dominant channelBlue

Hex per channelR 0A · G 12 · B 3C

Keep nerding

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

#0A123C

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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