Recognised as Colour

#EF0610

#EF0610
Red
Dark
Nearest: Red

#EF0610 is a red with RGB values 239, 6, 16 and HSL 357°, 95%, 48%. It is a dark colour, so black text on it reaches 4.7:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#EF0610#EF0610

HEX#EF0610

RGBrgb(239, 6, 16)

RGB (0–1)0.9373, 0.0235, 0.0627

RGB percentages93.7%, 2.4%, 6.3%

HSLhsl(357.4, 95.1%, 48%)

HSV / HSBhsv(357.4, 97.5%, 93.7%)

CMYK0%, 97.5%, 93.3%, 6.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,664,656

CSS custom property--colour: #EF0610;

Brightness & contrast

Relative luminance0.18518WCAG 2.x, 0 is black and 1 is white

Perceived brightness130.9 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.7:1

Contrast with white4.46:1WCAG normal text: Fail

Contrast with black4.7:1WCAG normal text: AA

Greyscale equivalent#383838

Inverted#10F9EF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#665907no red cones; affects about 1% of men; ΔE 81.8 from the original

Deuteranopia#998700no green cones; the most common form, about 1% of men; ΔE 81.3 from the original

Tritanopia#FF0014no blue cones; rare, and affects men and women equally; ΔE 5.8 from the original

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

Contrast with white, large text4.46:1WCAG large text: AA

Contrast with black, large text4.7:1WCAG large text: AAA

Named colours

Red · ΔE 9.1 Orange red · ΔE 14.4 Tomato · ΔE 25.5 Crimson · ΔE 26.7 Firebrick · ΔE 31.7 Coral · ΔE 37.1

Nearest named CSS colourRed (#FF0000)ΔE 9.15, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#06EFE5

Analogous#EF0684, #EF7106

Triadic#10EF06, #0610EF

Split complementary#06EF71, #0684EF

Tetradic#84EF06, #06EFE5, #7106EF

Tints, shades & saturation

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

Lighter +40%#FEC3C6

Lighter +30%#FC9296

Lighter +20%#FB6067

Lighter +10%#FA2E37

Darker −10%#BD050D

Darker −20%#8B0409

Darker −30%#5A0206

Darker −40%#280103

More saturated +25%#F5000B

Less saturated −25%#D0252C

Channel breakdown

R239

B16

Red239 (93.7%)

Green6 (2.4%)

Blue16 (6.3%)

Hue357.42°

Saturation (HSL)95.1%

Lightness48.04%

Dominant channelRed

Hex per channelR EF · G 06 · B 10

Keep nerding

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

#EF0610

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

Nerdulate something else