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Recognised as Colour

#F03823

  • #F03823
  • Red
  • Dark
  • Nearest: Orange red

#F03823 is a red with RGB values 240, 56, 35 and HSL 6°, 87%, 54%. It is a dark colour, so black text on it reaches 5.3:1 contrast (AA for normal text). The nearest named colour is Orange red.

Colour values

#F03823#F03823
HEX#F03823
RGBrgb(240, 56, 35)
RGB (0–1)0.9412, 0.2196, 0.1373
RGB percentages94.1%, 22%, 13.7%
HSLhsl(6.1, 87.2%, 53.9%)
HSV / HSBhsv(6.1, 85.4%, 94.1%)
CMYK0%, 76.7%, 85.4%, 5.9%naive device-independent conversion; real print needs an ICC profile
24-bit integer15,743,011
CSS custom property--colour: #F03823;

Brightness & contrast

Relative luminance0.21475WCAG 2.x, 0 is black and 1 is white
Perceived brightness138.6 of 255ITU-R BT.601 weighting
Light or darkDark
Best text colour on this backgroundBlackcontrast 5.29:1
Contrast with white3.97:1WCAG normal text: Fail
Contrast with black5.29:1WCAG normal text: AA
Greyscale equivalent#5E5E5E
Inverted#0FC7DC

Colour vision & accessibility

Protanopia#73661Dno red cones; affects about 1% of men; ΔE 73.5 from the original
Deuteranopia#A08E15no green cones; the most common form, about 1% of men; ΔE 73.4 from the original
Tritanopia#FF0036no blue cones; rare, and affects men and women equally; ΔE 15.6 from the original
Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning
Contrast with white, large text3.97:1WCAG large text: AA
Contrast with black, large text5.29:1WCAG large text: AAA

Named colours

Nearest named CSS colourOrange red (#FF4500)ΔE 14.85, a distinctly different colour
Hue familyred
CSS keyword usableNo exact keyword

Colour harmonies

Complementary#23DBF0
Analogous#F02374, #F09E23
Triadic#23F038, #3823F0
Split complementary#23F09E, #2375F0
Tetradic#75F023, #23DBF0, #9F23F0

Tints, shades & saturation

Lighter +40%#FDE5E2
Lighter +30%#FABAB2
Lighter +20%#F78E82
Lighter +10%#F36353
Darker −10%#D2220E
Darker −20%#A21B0B
Darker −30%#721308
Darker −40%#420B05
More saturated +25%#FF2C14
Less saturated −25%#D34F40

Channel breakdown

R240
G56
B35
Red240 (94.1%)
Green56 (22%)
Blue35 (13.7%)
Hue6.15°
Saturation (HSL)87.23%
Lightness53.92%
Dominant channelRed
Hex per channelR F0 · G 38 · B 23

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Every value on this page was computed from “f03823” by Nerdulator’s colour engine. Nothing here was retrieved from a database of answers or written by a model.