Colour

#FF1922

#FF1922
Red
Dark
Nearest: Red

#FF1922 is a red with RGB values 255, 25, 34 and HSL 358°, 100%, 55%. It is a dark colour, so black text on it reaches 5.4:1 contrast (AA for normal text). The nearest named colour is Red.

Colour values

#FF1922#FF1922

HEX#FF1922

RGBrgb(255, 25, 34)

RGB (0–1)1, 0.098, 0.1333

RGB percentages100%, 9.8%, 13.3%

HSLhsl(357.7, 100%, 54.9%)

HSV / HSBhsv(357.7, 90.2%, 100%)

CMYK0%, 90.2%, 86.7%, 0%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer16,718,114

CSS custom property--colour: #FF1922;

Brightness & contrast

Relative luminance0.22071WCAG 2.x, 0 is black and 1 is white

Perceived brightness141.2 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundBlackcontrast 5.41:1

Contrast with white3.88:1WCAG normal text: Fail

Contrast with black5.41:1WCAG normal text: AA

Greyscale equivalent#4B4B4B

Inverted#00E6DD

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#6F631Dno red cones; affects about 1% of men; ΔE 84.8 from the original

Deuteranopia#A4920Dno green cones; the most common form, about 1% of men; ΔE 84.5 from the original

Tritanopia#FF0022no blue cones; rare, and affects men and women equally; ΔE 2.3 from the original

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

Contrast with white, large text3.88:1WCAG large text: AA

Contrast with black, large text5.41:1WCAG large text: AAA

Named colours

Red · ΔE 10.5 Orange red · ΔE 16.4 Tomato · ΔE 24.3 Crimson · ΔE 25.4 Firebrick · ΔE 33.1 Coral · ΔE 36.7

Nearest named CSS colourRed (#FF0000)ΔE 10.53, a distinctly different colour

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

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

Complementary#19FFF6

Analogous#FF1995, #FF8319

Triadic#22FF19, #1922FF

Split complementary#19FF83, #1995FF

Tetradic#95FF19, #19FFF6, #8319FF

Tints, shades & saturation

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

Lighter +40%#FFE5E6

Lighter +30%#FFB2B5

Lighter +20%#FF7F84

Lighter +10%#FF4C53

Darker −10%#E50009

Darker −20%#B20007

Darker −30%#7F0005

Darker −40%#4C0003

More saturated +25%#FF1922

Less saturated −25%#E2363C

Channel breakdown

R255

G25

B34

Red255 (100%)

Green25 (9.8%)

Blue34 (13.3%)

Hue357.65°

Saturation (HSL)100%

Lightness54.9%

Dominant channelRed

Hex per channelR FF · G 19 · B 22

Keep nerding

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

Harmonies

Lighter and darker

Similar named colours

Also reads as

FF1922 (chemical formula)

Formula
36,533.154 g/mol
1923 atoms

FF1922 has a molar mass of 36,533.154 g/mol, made up of 1923 atoms across 1 element: 1923 × F.

Open this reading on its own page →

Molar mass

Molar mass36,533.154 g/mol

Total atoms per molecule1923

Distinct elements1

Mass of one molecule6.0664729 × 10^-20 g

Molecules per gram1.6484043 × 10^19

Composition by mass

F100%

Fluorine (F × 1923)36,533.154 g/mol, 100%

Keep nerding

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

Elements in this formula

Fluorine

Nerdulate something else

Nothing in mind? Surprise me · today’s page