Recognised as Colour

#CB050D

#CB050D
Red
Dark
Nearest: Firebrick

#CB050D is a red with RGB values 203, 5, 13 and HSL 358°, 95%, 41%. It is a dark colour, so white text on it reaches 5.9:1 contrast (AA for normal text). The nearest named colour is Firebrick.

Colour values

#CB050D#CB050D

HEX#CB050D

RGBrgb(203, 5, 13)

RGB (0–1)0.7961, 0.0196, 0.051

RGB percentages79.6%, 2%, 5.1%

HSLhsl(357.6, 95.2%, 40.8%)

HSV / HSBhsv(357.6, 97.5%, 79.6%)

CMYK0%, 97.5%, 93.6%, 20.4%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,305,101

CSS custom property--colour: #CB050D;

Brightness & contrast

Relative luminance0.12834WCAG 2.x, 0 is black and 1 is white

Perceived brightness111.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.89:1

Contrast with white5.89:1WCAG normal text: AA

Contrast with black3.57:1WCAG normal text: Fail

Greyscale equivalent#303030

Inverted#34FAF2

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#554B06no red cones; affects about 1% of men; ΔE 72.9 from the original

Deuteranopia#817200no green cones; the most common form, about 1% of men; ΔE 72 from the original

Tritanopia#E00010no blue cones; rare, and affects men and women equally; ΔE 8.1 from the original

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

Contrast with white, large text5.89:1WCAG large text: AAA

Contrast with black, large text3.57:1WCAG large text: AA

Named colours

Firebrick · ΔE 18.8 Crimson · ΔE 19.7 Orange red · ΔE 22.4 Red · ΔE 22.5 Tomato · ΔE 22.5 Dark red · ΔE 24.3

Nearest named CSS colourFirebrick (#B22222)ΔE 18.79, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#05CBC3

Analogous#CB0570, #CB6005

Triadic#0DCB05, #050DCB

Split complementary#05CB60, #0570CB

Tetradic#70CB05, #05CBC3, #6005CB

Tints, shades & saturation

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

Lighter +40%#FD9FA3

Lighter +30%#FB6E73

Lighter +20%#FA3C44

Lighter +10%#F90A14

Darker −10%#99040A

Darker −20%#670307

Darker −30%#360103

Darker −40%#040000

More saturated +25%#D00008

Less saturated −25%#B11F25

Channel breakdown

R203

B13

Red203 (79.6%)

Green5 (2%)

Blue13 (5.1%)

Hue357.58°

Saturation (HSL)95.19%

Lightness40.78%

Dominant channelRed

Hex per channelR CB · G 05 · B 0D

Keep nerding

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

#CB050D

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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