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Recognised as Colour

#B30F07

  • #B30F07
  • Red
  • Dark
  • Nearest: Firebrick

#B30F07 is a red with RGB values 179, 15, 7 and HSL 3°, 92%, 36%. It is a dark colour, so white text on it reaches 7:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#B30F07#B30F07
HEX#B30F07
RGBrgb(179, 15, 7)
RGB (0–1)0.702, 0.0588, 0.0275
RGB percentages70.2%, 5.9%, 2.7%
HSLhsl(2.8, 92.5%, 36.5%)
HSV / HSBhsv(2.8, 96.1%, 70.2%)
CMYK0%, 91.6%, 96.1%, 29.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer11,734,791
CSS custom property--colour: #B30F07;

Brightness & contrast

Relative luminance0.09941WCAG 2.x, 0 is black and 1 is white
Perceived brightness98.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 7.03:1
Contrast with white7.03:1WCAG normal text: AAA
Contrast with black2.99:1WCAG normal text: Fail
Greyscale equivalent#313131
Inverted#4CF0F8

Colour vision & accessibility

Protanopia#4D4301no red cones; affects about 1% of men; ΔE 64.5 from the original
Deuteranopia#726500no green cones; the most common form, about 1% of men; ΔE 64.4 from the original
Tritanopia#C60012no blue cones; rare, and affects men and women equally; ΔE 7.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text7.03:1WCAG large text: AAA
Contrast with black, large text2.99:1WCAG large text: Fail

Named colours

Nearest named CSS colourFirebrick (#B22222)ΔE 12.07, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#07ABB3
Analogous#B30755, #B36507
Triadic#07B30F, #0F07B3
Split complementary#07B365, #0755B3
Tetradic#55B307, #07ABB3, #6507B3

Tints, shades & saturation

Lighter +40%#FA918C
Lighter +30%#F9625A
Lighter +20%#F73329
Lighter +10%#E41309
Darker −10%#820B05
Darker −20%#510703
Darker −30%#200301
Darker −40%#000000
More saturated +25%#BA0900
Less saturated −25%#9C241E

Channel breakdown

R179
G15
B7
Red179 (70.2%)
Green15 (5.9%)
Blue7 (2.7%)
Hue2.79°
Saturation (HSL)92.47%
Lightness36.47%
Dominant channelRed
Hex per channelR B3 · G 0F · B 07

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Every value on this page was computed from “b30f07” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.