Nerdulator> put something in

Recognised as Colour

#431A1F

  • #431A1F
  • Red
  • Dark
  • Nearest: Black

#431A1F is a red with RGB values 67, 26, 31 and HSL 353°, 44%, 18%. It is a dark colour, so white text on it reaches 14.9:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#431A1F#431A1F
HEX#431A1F
RGBrgb(67, 26, 31)
RGB (0–1)0.2627, 0.102, 0.1216
RGB percentages26.3%, 10.2%, 12.2%
HSLhsl(352.7, 44.1%, 18.2%)
HSV / HSBhsv(352.7, 61.2%, 26.3%)
CMYK0%, 61.2%, 53.7%, 73.7%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer4,397,599
CSS custom property--colour: #431A1F;

Brightness & contrast

Relative luminance0.02031WCAG 2.x, 0 is black and 1 is white
Perceived brightness43 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 14.93:1
Contrast with white14.93:1WCAG normal text: AAA
Contrast with black1.41:1WCAG normal text: Fail
Greyscale equivalent#232323
Inverted#BCE5E0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#23221Fno red cones; affects about 1% of men; ΔE 21.2 from the original
Deuteranopia#2D2A1Eno green cones; the most common form, about 1% of men; ΔE 21.6 from the original
Tritanopia#49141Cno blue cones; rare, and affects men and women equally; ΔE 5.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text14.93:1WCAG large text: AAA
Contrast with black, large text1.41:1WCAG large text: Fail

Named colours

Black · ΔE 26.4Dim grey · ΔE 35.8Dark slate grey · ΔE 37.1Saddle brown · ΔE 41.4Sienna · ΔE 41.7Maroon · ΔE 43.3
Nearest named CSS colourBlack (#000000)ΔE 26.45, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#1A433E
Analogous#431A33, #432A1A
Triadic#1F431A, #1A1F43
Split complementary#1A432A, #1A3343
Tetradic#34431A, #1A433E, #2A1A43

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#C36671
Lighter +30%#B14552
Lighter +20%#8C3741
Lighter +10%#682830
Darker −10%#1E0C0E
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#4F0E16
Less saturated −25%#372628

Channel breakdown

R67
G26
B31
Red67 (26.3%)
Green26 (10.2%)
Blue31 (12.2%)
Hue352.68°
Saturation (HSL)44.09%
Lightness18.24%
Dominant channelRed
Hex per channelR 43 · G 1A · B 1F

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

Nerdulate something else

Nothing in mind? Surprise me · today’s page

Every value on this page was computed from “431a1f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.