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Recognised as Colour

#670D38

  • #670D38
  • Red
  • Dark
  • Nearest: Brown

#670D38 is a red with RGB values 103, 13, 56 and HSL 331°, 78%, 23%. It is a dark colour, so white text on it reaches 12.4:1 contrast (AAA for normal text). The nearest named colour is Brown.

Colour values

#670D38#670D38
HEX#670D38
RGBrgb(103, 13, 56)
RGB (0–1)0.4039, 0.051, 0.2196
RGB percentages40.4%, 5.1%, 22%
HSLhsl(331.3, 77.6%, 22.7%)
HSV / HSBhsv(331.3, 87.4%, 40.4%)
CMYK0%, 87.4%, 45.6%, 59.6%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer6,753,592
CSS custom property--colour: #670D38;

Brightness & contrast

Relative luminance0.03457WCAG 2.x, 0 is black and 1 is white
Perceived brightness60.2 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 12.42:1
Contrast with white12.42:1WCAG normal text: AAA
Contrast with black1.69:1WCAG normal text: Fail
Greyscale equivalent#232323
Inverted#98F2C7

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#232939no red cones; affects about 1% of men; ΔE 40.4 from the original
Deuteranopia#3B3A36no green cones; the most common form, about 1% of men; ΔE 41.8 from the original
Tritanopia#700021no blue cones; rare, and affects men and women equally; ΔE 17.3 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text12.42:1WCAG large text: AAA
Contrast with black, large text1.69:1WCAG large text: Fail

Named colours

Brown · ΔE 36.9Pale violetred · ΔE 39.1Indian red · ΔE 39.8Purple · ΔE 39.9Medium violet red · ΔE 40.1Maroon · ΔE 40.5
Nearest named CSS colourBrown (#A52A2A)ΔE 36.9, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0D673C
Analogous#670D65, #670F0D
Triadic#38670D, #0D3867
Split complementary#0D670F, #0D6567
Tetradic#65670D, #0D673C, #0F0D67

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#EA569D
Lighter +30%#E42982
Lighter +20%#C21869
Lighter +10%#941351
Darker −10%#3A071F
Darker −20%#0C0207
Darker −30%#000000
Darker −40%#000000
More saturated +25%#740037
Less saturated −25%#591B39

Channel breakdown

R103
G13
B56
Red103 (40.4%)
Green13 (5.1%)
Blue56 (22%)
Hue331.33°
Saturation (HSL)77.59%
Lightness22.75%
Dominant channelRed
Hex per channelR 67 · G 0D · B 38

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Every value on this page was computed from “670d38” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.