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Recognised as Colour

#230B0C

  • #230B0C
  • Red
  • Dark
  • Nearest: Black

#230B0C is a red with RGB values 35, 11, 12 and HSL 358°, 52%, 9%. It is a dark colour, so white text on it reaches 18.7:1 contrast (AAA for normal text). The nearest named colour is Black.

Colour values

#230B0C#230B0C
HEX#230B0C
RGBrgb(35, 11, 12)
RGB (0–1)0.1373, 0.0431, 0.0471
RGB percentages13.7%, 4.3%, 4.7%
HSLhsl(357.5, 52.2%, 9%)
HSV / HSBhsv(357.5, 68.6%, 13.7%)
CMYK0%, 68.6%, 65.7%, 86.3%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer2,296,588
CSS custom property--colour: #230B0C;

Brightness & contrast

Relative luminance0.00623WCAG 2.x, 0 is black and 1 is white
Perceived brightness21.3 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 18.67:1
Contrast with white18.67:1WCAG normal text: AAA
Contrast with black1.12:1WCAG normal text: Fail
Greyscale equivalent#101010
Inverted#DCF4F3

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#100F0Cno red cones; affects about 1% of men; ΔE 12.2 from the original
Deuteranopia#16140Bno green cones; the most common form, about 1% of men; ΔE 12.6 from the original
Tritanopia#27080Cno blue cones; rare, and affects men and women equally; ΔE 3.9 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text18.67:1WCAG large text: AAA
Contrast with black, large text1.12:1WCAG large text: Fail

Named colours

Black · ΔE 13.5Dark slate grey · ΔE 35.5Dim grey · ΔE 40.7Gray · ΔE 49.5Saddle brown · ΔE 51.2Slate grey · ΔE 51.2
Nearest named CSS colourBlack (#000000)ΔE 13.52, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#0B2322
Analogous#230B18, #23160B
Triadic#0C230B, #0B0C23
Split complementary#0B2316, #0B1823
Tetradic#18230B, #0B2322, #160B23

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#BE3C41
Lighter +30%#973034
Lighter +20%#712327
Lighter +10%#4A1719
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#290507
Less saturated −25%#1D1111

Channel breakdown

R35
G11
B12
Red35 (13.7%)
Green11 (4.3%)
Blue12 (4.7%)
Hue357.5°
Saturation (HSL)52.17%
Lightness9.02%
Dominant channelRed
Hex per channelR 23 · G 0B · B 0C

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Every value on this page was computed from “230b0c” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.