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Recognised as Colour

#5B424D

  • #5B424D
  • Red
  • Dark
  • Nearest: Dim grey

#5B424D is a red with RGB values 91, 66, 77 and HSL 334°, 16%, 31%. It is a dark colour, so white text on it reaches 9:1 contrast (AAA for normal text). The nearest named colour is Dim grey.

Colour values

#5B424D#5B424D
HEX#5B424D
RGBrgb(91, 66, 77)
RGB (0–1)0.3569, 0.2588, 0.302
RGB percentages35.7%, 25.9%, 30.2%
HSLhsl(333.6, 15.9%, 30.8%)
HSV / HSBhsv(333.6, 27.5%, 35.7%)
CMYK0%, 27.5%, 15.4%, 64.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer5,980,749
CSS custom property--colour: #5B424D;

Brightness & contrast

Relative luminance0.06656WCAG 2.x, 0 is black and 1 is white
Perceived brightness75.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 9.01:1
Contrast with white9.01:1WCAG normal text: AAA
Contrast with black2.33:1WCAG normal text: Fail
Greyscale equivalent#484848
Inverted#A4BDB2

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#44474Dno red cones; affects about 1% of men; ΔE 12.8 from the original
Deuteranopia#4A4B4Cno green cones; the most common form, about 1% of men; ΔE 13.1 from the original
Tritanopia#5F4146no blue cones; rare, and affects men and women equally; ΔE 4.7 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text9.01:1WCAG large text: AAA
Contrast with black, large text2.33:1WCAG large text: Fail

Named colours

Dim grey · ΔE 18.7Dark slate grey · ΔE 24.5Gray · ΔE 26.1Slate grey · ΔE 27.7Light slate grey · ΔE 30.4Black · ΔE 33.6
Nearest named CSS colourDim grey (#696969)ΔE 18.68, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#425B50
Analogous#5B425A, #5B4442
Triadic#4D5B42, #424D5B
Split complementary#425B44, #425A5B
Tetradic#5A5B42, #425B50, #44425B

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C0A9B3
Lighter +30%#AB8B99
Lighter +20%#956E7F
Lighter +10%#795766
Darker −10%#3D2D34
Darker −20%#20171B
Darker −30%#020202
Darker −40%#000000
More saturated +25%#6F2E4B
Less saturated −25%#4F4F4F

Channel breakdown

R91
G66
B77
Red91 (35.7%)
Green66 (25.9%)
Blue77 (30.2%)
Hue333.6°
Saturation (HSL)15.92%
Lightness30.78%
Dominant channelRed
Hex per channelR 5B · G 42 · B 4D

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Every value on this page was computed from “5b424d” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.