Recognised as Colour

#0D172F

#0D172F
Blue
Dark
Nearest: Black

#0D172F is a blue with RGB values 13, 23, 47 and HSL 222°, 57%, 12%. It is a dark colour, so white text on it reaches 17.8:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#0D172F#0D172F

HEX#0D172F

RGBrgb(13, 23, 47)

RGB (0–1)0.051, 0.0902, 0.1843

RGB percentages5.1%, 9%, 18.4%

HSLhsl(222.4, 56.7%, 11.8%)

HSV / HSBhsv(222.4, 72.3%, 18.4%)

CMYK72.3%, 51.1%, 0%, 81.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer857,903

CSS custom property--colour: #0D172F;

Brightness & contrast

Relative luminance0.00904WCAG 2.x, 0 is black and 1 is white

Perceived brightness24.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 17.79:1

Contrast with white17.79:1WCAG normal text: AAA

Contrast with black1.18:1WCAG normal text: Fail

Greyscale equivalent#171717

Inverted#F2E8D0

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#0C1930no red cones; affects about 1% of men; ΔE 1.6 from the original

Deuteranopia#08162Eno green cones; the most common form, about 1% of men; ΔE 1.2 from the original

Tritanopia#001C20no blue cones; rare, and affects men and women equally; ΔE 17.8 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text17.79:1WCAG large text: AAA

Contrast with black, large text1.18:1WCAG large text: Fail

Named colours

Black · ΔE 19.9 Dark slate grey · ΔE 31.6 Dark slateblue · ΔE 39.6 Dim grey · ΔE 40.5 Midnight blue · ΔE 42.6 Slate grey · ΔE 45.7

Nearest named CSS colourBlack (#000000)ΔE 19.88, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#2F250D

Analogous#0D282F, #140D2F

Triadic#2F0D17, #172F0D

Split complementary#2F140D, #282F0D

Tetradic#2F0D28, #2F250D, #0D2F14

Tints, shades & saturation

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

Lighter +40%#3E67CA

Lighter +30%#2E52A7

Lighter +20%#233E7F

Lighter +10%#182B57

Darker −10%#020307

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#061436

Less saturated −25%#141A27

Channel breakdown

R13

G23

B47

Red13 (5.1%)

Green23 (9%)

Blue47 (18.4%)

Hue222.35°

Saturation (HSL)56.67%

Lightness11.76%

Dominant channelBlue

Hex per channelR 0D · G 17 · B 2F

Keep nerding

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

#0D172F

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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