Colour

#CD1010

#CD1010
Red
Dark
Nearest: Firebrick

#CD1010 is a red with RGB values 205, 16, 16 and HSL 0°, 86%, 43%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#CD1010#CD1010

HEX#CD1010

RGBrgb(205, 16, 16)

RGB (0–1)0.8039, 0.0627, 0.0627

RGB percentages80.4%, 6.3%, 6.3%

HSLhsl(0, 85.5%, 43.3%)

HSV / HSBhsv(0, 92.2%, 80.4%)

CMYK0%, 92.2%, 92.2%, 19.6%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,438,992

CSS custom property--colour: #CD1010;

Brightness & contrast

Relative luminance0.13387WCAG 2.x, 0 is black and 1 is white

Perceived brightness112.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.71:1

Contrast with white5.71:1WCAG normal text: AA

Contrast with black3.68:1WCAG normal text: Fail

Greyscale equivalent#383838

Inverted#32EFEF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#584D09no red cones; affects about 1% of men; ΔE 71.8 from the original

Deuteranopia#837400no green cones; the most common form, about 1% of men; ΔE 71.6 from the original

Tritanopia#E30016no blue cones; rare, and affects men and women equally; ΔE 8.6 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text5.71:1WCAG large text: AAA

Contrast with black, large text3.68:1WCAG large text: AA

Named colours

Firebrick · ΔE 18.3 Crimson · ΔE 19.3 Tomato · ΔE 21.5 Orange red · ΔE 22.2 Red · ΔE 22.7 Dark red · ΔE 24.2

Nearest named CSS colourFirebrick (#B22222)ΔE 18.33, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#10CDCD

Analogous#CD106F, #CD6F10

Triadic#10CD10, #1010CD

Split complementary#10CD6F, #106FCD

Tetradic#6FCD10, #10CDCD, #6F10CD

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#F9B0B0

Lighter +30%#F58181

Lighter +20%#F15252

Lighter +10%#EE2222

Darker −10%#9E0C0C

Darker −20%#6E0909

Darker −30%#3F0505

Darker −40%#100101

More saturated +25%#DD0000

Less saturated −25%#B12C2C

Channel breakdown

R205

G16

B16

Red205 (80.4%)

Green16 (6.3%)

Blue16 (6.3%)

Hue0°

Saturation (HSL)85.52%

Lightness43.33%

Dominant channelRed

Hex per channelR CD · G 10 · B 10

Keep nerding

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

#CD1010

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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