Colour

#2F3951

#2F3951
Blue
Dark
Nearest: Dark slate grey

#2F3951 is a blue with RGB values 47, 57, 81 and HSL 222°, 27%, 25%. It is a dark colour, so white text on it reaches 11.5:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2F3951#2F3951

HEX#2F3951

RGBrgb(47, 57, 81)

RGB (0–1)0.1843, 0.2235, 0.3176

RGB percentages18.4%, 22.4%, 31.8%

HSLhsl(222.4, 26.6%, 25.1%)

HSV / HSBhsv(222.4, 42%, 31.8%)

CMYK42%, 29.6%, 0%, 68.2%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,094,865

CSS custom property--colour: #2F3951;

Brightness & contrast

Relative luminance0.04125WCAG 2.x, 0 is black and 1 is white

Perceived brightness57.6 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.51:1

Contrast with white11.51:1WCAG normal text: AAA

Contrast with black1.82:1WCAG normal text: Fail

Greyscale equivalent#393939

Inverted#D0C6AE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#313B52no red cones; affects about 1% of men; ΔE 1.1 from the original

Deuteranopia#2E3850no green cones; the most common form, about 1% of men; ΔE 0.4 from the original

Tritanopia#243E41no blue cones; rare, and affects men and women equally; ΔE 16.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text11.51:1WCAG large text: AAA

Contrast with black, large text1.82:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 20.3 Dim grey · ΔE 26 Black · ΔE 29 Slate grey · ΔE 29.7 Light slate grey · ΔE 32.6 Steel blue · ΔE 33.5

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 20.33, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#51472F

Analogous#2F4A51, #362F51

Triadic#512F39, #39512F

Split complementary#51362F, #4A512F

Tetradic#512F4A, #51472F, #2F5136

Tints, shades & saturation

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

Lighter +40%#8E9CBE

Lighter +30%#6E80AB

Lighter +20%#546692

Lighter +10%#425071

Darker −10%#1C2231

Darker −20%#0A0C10

Darker −30%#000000

Darker −40%#000000

More saturated +25%#1F3261

Less saturated −25%#3F4041

Channel breakdown

R47

G57

B81

Red47 (18.4%)

Green57 (22.4%)

Blue81 (31.8%)

Hue222.35°

Saturation (HSL)26.56%

Lightness25.1%

Dominant channelBlue

Hex per channelR 2F · G 39 · B 51

Keep nerding

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

#2F3951

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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