Nerdulator> put something in

Recognised as Colour

#3F0A07

  • #3F0A07
  • Red
  • Dark
  • Nearest: Black

#3F0A07 is a red with RGB values 63, 10, 7 and HSL 3°, 80%, 14%. It is a dark colour, so white text on it reaches 16.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#3F0A07#3F0A07
HEX#3F0A07
RGBrgb(63, 10, 7)
RGB (0–1)0.2471, 0.0392, 0.0275
RGB percentages24.7%, 3.9%, 2.7%
HSLhsl(3.2, 80%, 13.7%)
HSV / HSBhsv(3.2, 88.9%, 24.7%)
CMYK0%, 84.1%, 88.9%, 75.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,131,335
CSS custom property--colour: #3F0A07;

Brightness & contrast

Relative luminance0.01289WCAG 2.x, 0 is black and 1 is white
Perceived brightness35.4 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.7:1
Contrast with white16.7:1WCAG normal text: AAA
Contrast with black1.26:1WCAG normal text: Fail
Greyscale equivalent#151515
Inverted#C0F5F8

Colour vision & accessibility

Protanopia#1A1606no red cones; affects about 1% of men; ΔE 27 from the original
Deuteranopia#272205no green cones; the most common form, about 1% of men; ΔE 27.4 from the original
Tritanopia#46000Ano blue cones; rare, and affects men and women equally; ΔE 6.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.7:1WCAG large text: AAA
Contrast with black, large text1.26:1WCAG large text: Fail

Named colours

Nearest named CSS colourBlack (#000000)ΔE 31.16, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#073C3F
Analogous#3F0720, #3F2607
Triadic#073F0A, #0A073F
Split complementary#073F26, #07203F
Tetradic#203F07, #073C3F, #26073F

Tints, shades & saturation

Lighter +40%#E7352B
Lighter +30%#C92016
Lighter +20%#9B1911
Lighter +10%#6D110C
Darker −10%#110302
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#460400
Less saturated −25%#361210

Channel breakdown

R63
G10
B7
Red63 (24.7%)
Green10 (3.9%)
Blue7 (2.7%)
Hue3.21°
Saturation (HSL)80%
Lightness13.73%
Dominant channelRed
Hex per channelR 3F · G 0A · B 07

Keep nerding

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

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “3f0a07” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.