Recognised as Colour

#2F3C57

#2F3C57
Blue
Dark
Nearest: Dark slate grey

#2F3C57 is a blue with RGB values 47, 60, 87 and HSL 221°, 30%, 26%. It is a dark colour, so white text on it reaches 11:1 contrast (AAA for normal text). The nearest named colour is Dark slate grey.

Colour values

#2F3C57#2F3C57

HEX#2F3C57

RGBrgb(47, 60, 87)

RGB (0–1)0.1843, 0.2353, 0.3412

RGB percentages18.4%, 23.5%, 34.1%

HSLhsl(220.5, 29.9%, 26.3%)

HSV / HSBhsv(220.5, 46%, 34.1%)

CMYK46%, 31%, 0%, 65.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer3,095,639

CSS custom property--colour: #2F3C57;

Brightness & contrast

Relative luminance0.04524WCAG 2.x, 0 is black and 1 is white

Perceived brightness60.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 11.02:1

Contrast with white11.02:1WCAG normal text: AAA

Contrast with black1.9:1WCAG normal text: Fail

Greyscale equivalent#3B3B3B

Inverted#D0C3A8

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#323E58no red cones; affects about 1% of men; ΔE 1.2 from the original

Deuteranopia#2E3A56no green cones; the most common form, about 1% of men; ΔE 1.2 from the original

Tritanopia#214245no blue cones; rare, and affects men and women equally; ΔE 18.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text11.02:1WCAG large text: AAA

Contrast with black, large text1.9:1WCAG large text: Fail

Named colours

Dark slate grey · ΔE 21.2 Dim grey · ΔE 26.3 Slate grey · ΔE 28.9 Black · ΔE 31.2 Steel blue · ΔE 31.4 Light slate grey · ΔE 31.7

Nearest named CSS colourDark slate grey (#2F4F4F)ΔE 21.16, a distinctly different colour

Hue familyblue

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#574A2F

Analogous#2F5057, #362F57

Triadic#572F3C, #3C572F

Split complementary#57362F, #50572F

Tetradic#572F50, #574A2F, #2F5736

Tints, shades & saturation

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

Lighter +40%#8FA0C3

Lighter +30%#6E84B1

Lighter +20%#536A99

Lighter +10%#415378

Darker −10%#1D2536

Darker −20%#0B0E15

Darker −30%#000000

Darker −40%#000000

More saturated +25%#1E3668

Less saturated −25%#404246

Channel breakdown

R47

G60

B87

Red47 (18.4%)

Green60 (23.5%)

Blue87 (34.1%)

Hue220.5°

Saturation (HSL)29.85%

Lightness26.27%

Dominant channelBlue

Hex per channelR 2F · G 3C · B 57

Keep nerding

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

#2F3C57

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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