Recognised as Colour

#FF1E21

#FF1E21
Red
Dark
Nearest: Red

#FF1E21 is a red with RGB values 255, 30, 33 and HSL 359°, 100%, 56%. It is a dark colour, so black text on it reaches 5.5:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#FF1E21#FF1E21

HEX#FF1E21

RGBrgb(255, 30, 33)

RGB (0–1)1, 0.1176, 0.1294

RGB percentages100%, 11.8%, 12.9%

HSLhsl(359.2, 100%, 55.9%)

HSV / HSBhsv(359.2, 88.2%, 100%)

CMYK0%, 88.2%, 87.1%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,719,393

CSS custom property--colour: #FF1E21;

Brightness & contrast

Relative luminance0.22298WCAG 2.x, 0 is black and 1 is white

Perceived brightness141.8 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.46:1

Contrast with white3.85:1WCAG normal text: Fail

Contrast with black5.46:1WCAG normal text: AA

Greyscale equivalent#4E4E4E

Inverted#00E1DE

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#70641Cno red cones; affects about 1% of men; ΔE 84.2 from the original

Deuteranopia#A5920Bno green cones; the most common form, about 1% of men; ΔE 83.3 from the original

Tritanopia#FF0025no blue cones; rare, and affects men and women equally; ΔE 4 from the original

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

Contrast with white, large text3.85:1WCAG large text: AA

Contrast with black, large text5.46:1WCAG large text: AAA

Named colours

Red · ΔE 10.1 Orange red · ΔE 15.4 Tomato · ΔE 23.9 Crimson · ΔE 25.9 Firebrick · ΔE 33.1 Coral · ΔE 36.1

Nearest named CSS colourRed (#FF0000)ΔE 10.09, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#1EFFFC

Analogous#FF1E91, #FF8B1E

Triadic#21FF1E, #1E21FF

Split complementary#1EFF8B, #1E91FF

Tetradic#92FF1E, #1EFFFC, #8C1EFF

Tints, shades & saturation

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

Lighter +40%#FFEAEA

Lighter +30%#FFB7B8

Lighter +20%#FF8486

Lighter +10%#FF5153

Darker −10%#EA0003

Darker −20%#B70002

Darker −30%#840002

Darker −40%#510001

More saturated +25%#FF1E21

Less saturated −25%#E33A3C

Channel breakdown

R255

G30

B33

Red255 (100%)

Green30 (11.8%)

Blue33 (12.9%)

Hue359.2°

Saturation (HSL)100%

Lightness55.88%

Dominant channelRed

Hex per channelR FF · G 1E · B 21

Keep nerding

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

#FF1E21

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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