Colour

#0F338A

#0F338A
Blue
Dark
Nearest: Dark slateblue

#0F338A is a blue with RGB values 15, 51, 138 and HSL 222°, 80%, 30%. It is a dark colour, so white text on it reaches 11.3:1 contrast (AAA for normal text). The nearest named colour is Dark slateblue.

Colour values

#0F338A#0F338A

HEX#0F338A

RGBrgb(15, 51, 138)

RGB (0–1)0.0588, 0.2, 0.5412

RGB percentages5.9%, 20%, 54.1%

HSLhsl(222.4, 80.4%, 30%)

HSV / HSBhsv(222.4, 89.1%, 54.1%)

CMYK89.1%, 63%, 0%, 45.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer996,234

CSS custom property--colour: #0F338A;

Brightness & contrast

Relative luminance0.04304WCAG 2.x, 0 is black and 1 is white

Perceived brightness61.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.29:1

Contrast with white11.29:1WCAG normal text: AAA

Contrast with black1.86:1WCAG normal text: Fail

Greyscale equivalent#323232

Inverted#F0CC75

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#00408Dno red cones; affects about 1% of men; ΔE 10.4 from the original

Deuteranopia#003588no green cones; the most common form, about 1% of men; ΔE 3.4 from the original

Tritanopia#004A59no blue cones; rare, and affects men and women equally; ΔE 52.9 from the original

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

Contrast with white, large text11.29:1WCAG large text: AAA

Contrast with black, large text1.86:1WCAG large text: Fail

Named colours

Dark slateblue · ΔE 11.7 Midnight blue · ΔE 12.2 Rebecca purple · ΔE 21.5 Slate blue · ΔE 25 Royal blue · ΔE 27 Indigo · ΔE 28.5

Nearest named CSS colourDark slateblue (#483D8B)ΔE 11.67, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#8A660F

Analogous#0F708A, #290F8A

Triadic#8A0F33, #338A0F

Split complementary#8A280F, #718A0F

Tetradic#8A0F70, #8A660F, #0F8A29

Tints, shades & saturation

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

Lighter +40%#7599F0

Lighter +30%#4777EB

Lighter +20%#1955E6

Lighter +10%#1444B8

Darker −10%#0A225C

Darker −20%#05112E

Darker −30%#000000

Darker −40%#000000

More saturated +25%#002D99

Less saturated −25%#223B77

Channel breakdown

R15

G51

B138

Red15 (5.9%)

Green51 (20%)

Blue138 (54.1%)

Hue222.44°

Saturation (HSL)80.39%

Lightness30%

Dominant channelBlue

Hex per channelR 0F · G 33 · B 8A

Keep nerding

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

#0F338A

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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