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Recognised as Colour

#23020F

  • #23020F
  • Red
  • Dark
  • Nearest: Black

#23020F is a red with RGB values 35, 2, 15 and HSL 336°, 89%, 7%. It is a dark colour, so white text on it reaches 19.3:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#23020F#23020F
HEX#23020F
RGBrgb(35, 2, 15)
RGB (0–1)0.1373, 0.0078, 0.0588
RGB percentages13.7%, 0.8%, 5.9%
HSLhsl(336.4, 89.2%, 7.3%)
HSV / HSBhsv(336.4, 94.3%, 13.7%)
CMYK0%, 94.3%, 57.1%, 86.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,294,287
CSS custom property--colour: #23020F;

Brightness & contrast

Relative luminance0.00435WCAG 2.x, 0 is black and 1 is white
Perceived brightness19.9 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.32:1
Contrast with white19.32:1WCAG normal text: AAA
Contrast with black1.09:1WCAG normal text: Fail
Greyscale equivalent#0A0A0A
Inverted#DCFDF0

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#07090Fno red cones; affects about 1% of men; ΔE 15.7 from the original
Deuteranopia#11100Eno green cones; the most common form, about 1% of men; ΔE 15.9 from the original
Tritanopia#270006no blue cones; rare, and affects men and women equally; ΔE 4.8 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.32:1WCAG large text: AAA
Contrast with black, large text1.09:1WCAG large text: Fail

Named colours

Black · ΔE 16.4Dark slate grey · ΔE 39Dim grey · ΔE 43.5Dark slateblue · ΔE 50.7Gray · ΔE 52.1Slate grey · ΔE 53.1
Nearest named CSS colourBlack (#000000)ΔE 16.35, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#022316
Analogous#23021F, #230602
Triadic#0F2302, #020F23
Split complementary#022306, #021F23
Tetradic#1F2302, #022316, #060223

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#E40D62
Lighter +30%#B40A4D
Lighter +20%#830838
Lighter +10%#530524
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#25000F
Less saturated −25%#1E0710

Channel breakdown

R35
G2
B15
Red35 (13.7%)
Green2 (0.8%)
Blue15 (5.9%)
Hue336.36°
Saturation (HSL)89.19%
Lightness7.25%
Dominant channelRed
Hex per channelR 23 · G 02 · B 0F

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Every value on this page was computed from “23020f” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.