Recognised as Colour

#CF0030

#CF0030
Red
Dark
Nearest: Crimson

#CF0030 is a red with RGB values 207, 0, 48 and HSL 346°, 100%, 41%. It is a dark colour, so white text on it reaches 5.7:1 contrast (AA for normal text). The nearest named colour is Crimson.

Colour values

#CF0030#CF0030

HEX#CF0030

RGBrgb(207, 0, 48)

RGB (0–1)0.8118, 0, 0.1882

RGB percentages81.2%, 0%, 18.8%

HSLhsl(346.1, 100%, 40.6%)

HSV / HSBhsv(346.1, 100%, 81.2%)

CMYK0%, 100%, 76.8%, 18.8%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer13,566,000

CSS custom property--colour: #CF0030;

Brightness & contrast

Relative luminance0.13479WCAG 2.x, 0 is black and 1 is white

Perceived brightness114.3 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 5.68:1

Contrast with white5.68:1WCAG normal text: AA

Contrast with black3.7:1WCAG normal text: Fail

Greyscale equivalent#2F2F2F

Inverted#30FFCF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#544D2Fno red cones; affects about 1% of men; ΔE 74.2 from the original

Deuteranopia#827428no green cones; the most common form, about 1% of men; ΔE 73.7 from the original

Tritanopia#E4001Cno blue cones; rare, and affects men and women equally; ΔE 17.4 from the original

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

Contrast with white, large text5.68:1WCAG large text: AAA

Contrast with black, large text3.7:1WCAG large text: AA

Named colours

Crimson · ΔE 4.6 Firebrick · ΔE 14.2 Brown · ΔE 21.2 Tomato · ΔE 24.3 Dark red · ΔE 24.5 Maroon · ΔE 27.9

Nearest named CSS colourCrimson (#DC143C)ΔE 4.58, a close match

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#00CF9F

Analogous#CF0098, #CF3700

Triadic#30CF00, #0030CF

Split complementary#00CF37, #0098CF

Tetradic#98CF00, #00CF9F, #3700CF

Tints, shades & saturation

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

Lighter +40%#FF9CB3

Lighter +30%#FF698C

Lighter +20%#FF3665

Lighter +10%#FF033D

Darker −10%#9C0024

Darker −20%#690018

Darker −30%#36000D

Darker −40%#030001

More saturated +25%#CF0030

Less saturated −25%#B51A3E

Channel breakdown

R207

B48

Red207 (81.2%)

Green0 (0%)

Blue48 (18.8%)

Hue346.09°

Saturation (HSL)100%

Lightness40.59%

Dominant channelRed

Hex per channelR CF · G 00 · B 30

Keep nerding

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

#CF0030

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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