Colour

#EF0430

#EF0430
Red
Dark
Nearest: Crimson

#EF0430 is a red with RGB values 239, 4, 48 and HSL 349°, 97%, 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 Crimson.

Colour values

#EF0430#EF0430

HEX#EF0430

RGBrgb(239, 4, 48)

RGB (0–1)0.9373, 0.0157, 0.1882

RGB percentages93.7%, 1.6%, 18.8%

HSLhsl(348.8, 96.7%, 47.6%)

HSV / HSBhsv(348.8, 98.3%, 93.7%)

CMYK0%, 98.3%, 79.9%, 6.3%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer15,664,176

CSS custom property--colour: #EF0430;

Brightness & contrast

Relative luminance0.18651WCAG 2.x, 0 is black and 1 is white

Perceived brightness131.7 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 4.73:1

Contrast with white4.44:1WCAG normal text: Fail

Contrast with black4.73:1WCAG normal text: AA

Greyscale equivalent#393939

Inverted#10FBCF

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#645A2Eno red cones; affects about 1% of men; ΔE 82.2 from the original

Deuteranopia#978725no green cones; the most common form, about 1% of men; ΔE 82.1 from the original

Tritanopia#FF001Fno blue cones; rare, and affects men and women equally; ΔE 13.3 from the original

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

Contrast with white, large text4.44:1WCAG large text: AA

Contrast with black, large text4.73:1WCAG large text: AAA

Named colours

Crimson · ΔE 13.3 Tomato · ΔE 22.3 Red · ΔE 22.5 Firebrick · ΔE 24.7 Orange red · ΔE 26.4 Brown · ΔE 33.2

Nearest named CSS colourCrimson (#DC143C)ΔE 13.32, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#04EFC3

Analogous#EF04A6, #EF4D04

Triadic#30EF04, #0430EF

Split complementary#04EF4D, #04A6EF

Tetradic#A6EF04, #04EFC3, #4D04EF

Tints, shades & saturation

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

Lighter +40%#FEC1CC

Lighter +30%#FD8FA4

Lighter +20%#FC5D7B

Lighter +10%#FB2B52

Darker −10%#BD0326

Darker −20%#8B021C

Darker −30%#590112

Darker −40%#260108

More saturated +25%#F3002D

Less saturated −25%#D12243

Channel breakdown

R239

B48

Red239 (93.7%)

Green4 (1.6%)

Blue48 (18.8%)

Hue348.77°

Saturation (HSL)96.71%

Lightness47.65%

Dominant channelRed

Hex per channelR EF · G 04 · B 30

Keep nerding

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

#EF0430

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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