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Recognised as Colour

#321A1B

  • #321A1B
  • Red
  • Dark
  • Nearest: Black

#321A1B is a red with RGB values 50, 26, 27 and HSL 358°, 32%, 15%. It is a dark colour, so white text on it reaches 16.2:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#321A1B#321A1B
HEX#321A1B
RGBrgb(50, 26, 27)
RGB (0–1)0.1961, 0.102, 0.1059
RGB percentages19.6%, 10.2%, 10.6%
HSLhsl(357.5, 31.6%, 14.9%)
HSV / HSBhsv(357.5, 48%, 19.6%)
CMYK0%, 48%, 46%, 80.4%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer3,283,483
CSS custom property--colour: #321A1B;

Brightness & contrast

Relative luminance0.01496WCAG 2.x, 0 is black and 1 is white
Perceived brightness35 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 16.16:1
Contrast with white16.16:1WCAG normal text: AAA
Contrast with black1.3:1WCAG normal text: Fail
Greyscale equivalent#1F1F1F
Inverted#CDE5E4

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#1F1E1Bno red cones; affects about 1% of men; ΔE 12.6 from the original
Deuteranopia#25231Bno green cones; the most common form, about 1% of men; ΔE 13 from the original
Tritanopia#36171Ano blue cones; rare, and affects men and women equally; ΔE 3.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text16.16:1WCAG large text: AAA
Contrast with black, large text1.3:1WCAG large text: Fail

Named colours

Black · ΔE 18Dark slate grey · ΔE 31.3Dim grey · ΔE 34.3Gray · ΔE 43Slate grey · ΔE 45.3Saddle brown · ΔE 46.5
Nearest named CSS colourBlack (#000000)ΔE 18, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1A3231
Analogous#321A27, #32251A
Triadic#1B321A, #1A1B32
Split complementary#1A3225, #1A2732
Tetradic#27321A, #1A3231, #251A32

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#B0686B
Lighter +30%#974E51
Lighter +20%#753D3F
Lighter +10%#542B2D
Darker −10%#100909
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#3C1112
Less saturated −25%#292424

Channel breakdown

R50
G26
B27
Red50 (19.6%)
Green26 (10.2%)
Blue27 (10.6%)
Hue357.5°
Saturation (HSL)31.58%
Lightness14.9%
Dominant channelRed
Hex per channelR 32 · G 1A · B 1B

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Every value on this page was computed from “321a1b” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.