Colour

#3F170E

#3F170E
Red
Dark
Nearest: Black

#3F170E is a red with RGB values 63, 23, 14 and HSL 11°, 64%, 15%. It is a dark colour, so white text on it reaches 15.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#3F170E#3F170E

HEX#3F170E

RGBrgb(63, 23, 14)

RGB (0–1)0.2471, 0.0902, 0.0549

RGB percentages24.7%, 9%, 5.5%

HSLhsl(11, 63.6%, 15.1%)

HSV / HSBhsv(11, 77.8%, 24.7%)

CMYK0%, 63.5%, 77.8%, 75.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,134,670

CSS custom property--colour: #3F170E;

Brightness & contrast

Relative luminance0.01701WCAG 2.x, 0 is black and 1 is white

Perceived brightness39 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 15.67:1

Contrast with white15.67:1WCAG normal text: AAA

Contrast with black1.34:1WCAG normal text: Fail

Greyscale equivalent#1F1F1F

Inverted#C0E8F1

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#221E0Dno red cones; affects about 1% of men; ΔE 20.5 from the original

Deuteranopia#2B270Dno green cones; the most common form, about 1% of men; ΔE 21.4 from the original

Tritanopia#460F15no blue cones; rare, and affects men and women equally; ΔE 8.6 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text15.67:1WCAG large text: AAA

Contrast with black, large text1.34:1WCAG large text: Fail

Named colours

Black · ΔE 27.8 Saddle brown · ΔE 35.9 Sienna · ΔE 37.8 Dim grey · ΔE 38.9 Maroon · ΔE 39 Dark slate grey · ΔE 39.8

Nearest named CSS colourBlack (#000000)ΔE 27.78, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0E363F

Analogous#3F0E1E, #3F300E

Triadic#0E3F17, #170E3F

Split complementary#0E3F30, #0E1E3F

Tetradic#1E3F0E, #0E363F, #300E3F

Tints, shades & saturation

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

Lighter +40%#D55E44

Lighter +30%#BC452A

Lighter +20%#923521

Lighter +10%#692617

Darker −10%#150805

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#491104

Less saturated −25%#351D18

Channel breakdown

R63

G23

B14

Red63 (24.7%)

Green23 (9%)

Blue14 (5.5%)

Hue11.02°

Saturation (HSL)63.64%

Lightness15.1%

Dominant channelRed

Hex per channelR 3F · G 17 · B 0E

Keep nerding

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

#3F170E

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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