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Recognised as Colour

#BD3F23

  • #BD3F23
  • Red
  • Dark
  • Nearest: Firebrick

#BD3F23 is a red with RGB values 189, 63, 35 and HSL 11°, 69%, 44%. It is a dark colour, so white text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#BD3F23#BD3F23
HEX#BD3F23
RGBrgb(189, 63, 35)
RGB (0–1)0.7412, 0.2471, 0.1373
RGB percentages74.1%, 24.7%, 13.7%
HSLhsl(10.9, 68.8%, 43.9%)
HSV / HSBhsv(10.9, 81.5%, 74.1%)
CMYK0%, 66.7%, 81.5%, 25.9%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer12,402,467
CSS custom property--colour: #BD3F23;

Brightness & contrast

Relative luminance0.14495WCAG 2.x, 0 is black and 1 is white
Perceived brightness114.7 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 5.39:1
Contrast with white5.39:1WCAG normal text: AA
Contrast with black3.9:1WCAG normal text: Fail
Greyscale equivalent#585858
Inverted#42C0DC

Colour vision & accessibility

Protanopia#64591Eno red cones; affects about 1% of men; ΔE 53.7 from the original
Deuteranopia#83751Dno green cones; the most common form, about 1% of men; ΔE 54.2 from the original
Tritanopia#D0173Ano blue cones; rare, and affects men and women equally; ΔE 21.8 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text5.39:1WCAG large text: AAA
Contrast with black, large text3.9:1WCAG large text: AA

Named colours

Nearest named CSS colourFirebrick (#B22222)ΔE 10.64, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#23A1BD
Analogous#BD2354, #BD8C23
Triadic#23BD3F, #3F23BD
Split complementary#23BD8C, #2354BD
Tetradic#54BD23, #23A1BD, #8C23BD

Tints, shades & saturation

Lighter +40%#F2C4BA
Lighter +30%#EA9F8F
Lighter +20%#E27B64
Lighter +10%#DA5639
Darker −10%#92311B
Darker −20%#672213
Darker −30%#3C140B
Darker −40%#110603
More saturated +25%#D92D07
Less saturated −25%#A1513F

Channel breakdown

R189
G63
B35
Red189 (74.1%)
Green63 (24.7%)
Blue35 (13.7%)
Hue10.91°
Saturation (HSL)68.75%
Lightness43.92%
Dominant channelRed
Hex per channelR BD · G 3F · B 23

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Every value on this page was computed from “bd3f23” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.