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Recognised as Colour

#7B3740

  • #7B3740
  • Red
  • Dark
  • Nearest: Indian red

#7B3740 is a red with RGB values 123, 55, 64 and HSL 352°, 38%, 35%. It is a dark colour, so white text on it reaches 8.5:1 contrast (AAA for normal text). The nearest named colour is Indian red.

Colour values

#7B3740#7B3740
HEX#7B3740
RGBrgb(123, 55, 64)
RGB (0–1)0.4824, 0.2157, 0.251
RGB percentages48.2%, 21.6%, 25.1%
HSLhsl(352.1, 38.2%, 34.9%)
HSV / HSBhsv(352.1, 55.3%, 48.2%)
CMYK0%, 55.3%, 48%, 51.8%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer8,075,072
CSS custom property--colour: #7B3740;

Brightness & contrast

Relative luminance0.07313WCAG 2.x, 0 is black and 1 is white
Perceived brightness82.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 8.53:1
Contrast with white8.53:1WCAG normal text: AAA
Contrast with black2.46:1WCAG normal text: Fail
Greyscale equivalent#464646
Inverted#84C8BF

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#454440no red cones; affects about 1% of men; ΔE 31.8 from the original
Deuteranopia#56523Fno green cones; the most common form, about 1% of men; ΔE 32.6 from the original
Tritanopia#862E3Ano blue cones; rare, and affects men and women equally; ΔE 9.1 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text8.53:1WCAG large text: AAA
Contrast with black, large text2.46:1WCAG large text: Fail

Named colours

Indian red · ΔE 28.6Sienna · ΔE 29.2Brown · ΔE 29.4Saddle brown · ΔE 32.8Pale violetred · ΔE 32.9Dim grey · ΔE 33.9
Nearest named CSS colourIndian red (#CD5C5C)ΔE 28.62, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#377B72
Analogous#7B3762, #7B5037
Triadic#407B37, #37407B
Split complementary#377B50, #37627B
Tetradic#627B37, #377B72, #50377B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#D7A7AD
Lighter +30%#C8838C
Lighter +20%#B8606C
Lighter +10%#9E4752
Darker −10%#58272E
Darker −20%#35171B
Darker −30%#110809
Darker −40%#000000
More saturated +25%#912130
Less saturated −25%#654D50

Channel breakdown

R123
G55
B64
Red123 (48.2%)
Green55 (21.6%)
Blue64 (25.1%)
Hue352.06°
Saturation (HSL)38.2%
Lightness34.9%
Dominant channelRed
Hex per channelR 7B · G 37 · B 40

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Every value on this page was computed from “7b3740” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.