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Recognised as Colour

#1C0804

  • #1C0804
  • Red
  • Dark
  • Nearest: Black

#1C0804 is a red with RGB values 28, 8, 4 and HSL 10°, 75%, 6%. 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

#1C0804#1C0804
HEX#1C0804
RGBrgb(28, 8, 4)
RGB (0–1)0.1098, 0.0314, 0.0157
RGB percentages11%, 3.1%, 1.6%
HSLhsl(10, 75%, 6.3%)
HSV / HSBhsv(10, 85.7%, 11%)
CMYK0%, 71.4%, 85.7%, 89%≈naive device-independent conversion; real print needs an ICC profile
24-bit integer1,837,060
CSS custom property--colour: #1C0804;

Brightness & contrast

Relative luminance0.00429WCAG 2.x, 0 is black and 1 is white
Perceived brightness16.5 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundWhitecontrast 19.34:1
Contrast with white19.34:1WCAG normal text: AAA
Contrast with black1.09:1WCAG normal text: Fail
Greyscale equivalent#0C0C0C
Inverted#E3F7FB

Colour vision & accessibility

Normal visionProtanopiaDeuteranopiaTritanopia
Protanopia#0D0B04no red cones; affects about 1% of men; ΔE 7.9 from the original
Deuteranopia#120F04no green cones; the most common form, about 1% of men; ΔE 7.9 from the original
Tritanopia#200507no blue cones; rare, and affects men and women equally; ΔE 4.2 from the original
Distinguishable without hueYesnever rely on hue alone to carry meaning
Contrast with white, large text19.34:1WCAG large text: AAA
Contrast with black, large text1.09:1WCAG large text: Fail

Named colours

Black · ΔE 9.4Dark slate grey · ΔE 34.3Dim grey · ΔE 41.4Gray · ΔE 50.4Slate grey · ΔE 52Saddle brown · ΔE 53.3
Nearest named CSS colourBlack (#000000)ΔE 9.36, clearly different but related
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

base+30°+90°+120°+180°+210°+240°+270°+330°
Complementary#04181C
Analogous#1C040C, #1C1404
Triadic#041C08, #08041C
Split complementary#041C14, #040C1C
Tetradic#0C1C04, #04181C, #14041C

Tints, shades & saturation

+40%+30%+20%+10%base-10%-20%-30%-40%
Lighter +40%#CF3B1D
Lighter +30%#A22E17
Lighter +20%#752111
Lighter +10%#49150A
Darker −10%#000000
Darker −20%#000000
Darker −30%#000000
Darker −40%#000000
More saturated +25%#200500
Less saturated −25%#180B08

Channel breakdown

R28
G8
B4
Red28 (11%)
Green8 (3.1%)
Blue4 (1.6%)
Hue10°
Saturation (HSL)75%
Lightness6.27%
Dominant channelRed
Hex per channelR 1C · G 08 · B 04

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Every value on this page was computed from “1c0804” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.