Recognised as Colour

#40310A

#40310A
Orange
Dark
Nearest: Dark olivegreen

#40310A is a orange with RGB values 64, 49, 10 and HSL 43°, 73%, 15%. It is a dark colour, so white text on it reaches 12.6:1 contrast (AAA for normal text). The nearest named colour is Dark olivegreen.

Colour values

#40310A#40310A

HEX#40310A

RGBrgb(64, 49, 10)

RGB (0–1)0.251, 0.1922, 0.0392

RGB percentages25.1%, 19.2%, 3.9%

HSLhsl(43.3, 73%, 14.5%)

HSV / HSBhsv(43.3, 84.4%, 25.1%)

CMYK0%, 23.4%, 84.4%, 74.9%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer4,206,858

CSS custom property--colour: #40310A;

Brightness & contrast

Relative luminance0.03309WCAG 2.x, 0 is black and 1 is white

Perceived brightness51.4 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 12.64:1

Contrast with white12.64:1WCAG normal text: AAA

Contrast with black1.66:1WCAG normal text: Fail

Greyscale equivalent#313131

Inverted#BFCEF5

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#383105no red cones; affects about 1% of men; ΔE 4.8 from the original

Deuteranopia#3C350Cno green cones; the most common form, about 1% of men; ΔE 4.7 from the original

Tritanopia#462C29no blue cones; rare, and affects men and women equally; ΔE 21.2 from the original

Distinguishable without hueYesnever rely on hue alone to carry meaning

Contrast with white, large text12.64:1WCAG large text: AAA

Contrast with black, large text1.66:1WCAG large text: Fail

Named colours

Dark olivegreen · ΔE 30 Saddle brown · ΔE 33 Black · ΔE 33.5 Dark slate grey · ΔE 34.1 Dim grey · ΔE 34.8 Sienna · ΔE 36.7

Nearest named CSS colourDark olivegreen (#556B2F)ΔE 30, a distinctly different colour

Hue familyorange

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#0A1940

Analogous#40160A, #34400A

Triadic#0A4031, #310A40

Split complementary#0A3440, #160A40

Tetradic#0A4016, #0A1940, #400A34

Tints, shades & saturation

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

Lighter +40%#E0B136

Lighter +30%#C4961F

Lighter +20%#987518

Lighter +10%#6C5311

Darker −10%#140F03

Darker −20%#000000

Darker −30%#000000

Darker −40%#000000

More saturated +25%#493501

Less saturated −25%#372D13

Channel breakdown

R64

G49

B10

Red64 (25.1%)

Green49 (19.2%)

Blue10 (3.9%)

Hue43.33°

Saturation (HSL)72.97%

Lightness14.51%

Dominant channelRed

Hex per channelR 40 · G 31 · B 0A

Keep nerding

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

#40310A

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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